RitualDev DevShelf - Verified Developer Tools & AI Agent Frameworks

PromptShield - Open Source AI Agent Security & Defense

Sat, 07 Nov 2026 22:19:40 GMT

Enterprise in-browser AI Data Loss Prevention & prompt firewall extension stopping API credentials and PII from leaking to LLMs. License: Proprietary / Community.

AgentShield - Open Source AI Agent Security & Defense

Sat, 07 Nov 2026 22:19:40 GMT

Zero-leak secret interception, deterministic Shannon entropy tokenization, AST shell command sandbox, and CI/CD security gate for Claude Code, Cursor, and autonomous AI agents. License: Apache-2.0.

mcp-monetize - Open Source AI Agents & MCP Servers

Sat, 07 Nov 2026 22:19:40 GMT

Drop-in billing, credit tracking, and paywall middleware for Model Context Protocol (MCP) servers with Dodo Payments & Stripe support. License: MIT.

HOL Guard - Open Source AI Agent Security & Defense

Sat, 07 Nov 2026 22:19:40 GMT

Open-source policy and approval layer for AI coding agents that checks supported shell, file, package, and MCP actions before execution, with coverage limited by each agent's hooks. License: Apache-2.0.

Ollama - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Get up and running with Llama 3.3, Mistral, Qwen, and other large language models locally with a simple CLI and REST API. Free open-source alternative to GitHub Copilot / OpenAI API. License: MIT.

Dify - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

An open-source LLM app development platform combining AI workflow, RAG pipeline, agent capabilities, and model management. License: Apache-2.0.

vLLM - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

A high-throughput and memory-efficient inference and serving engine for LLMs with PagedAttention. Free open-source alternative to Triton Inference Server. License: Apache-2.0.

Open-WebUI - Open Source Web UI & Chat

Sat, 07 Nov 2026 22:19:40 GMT

User-friendly AI interface designed for self-hosting with complete Ollama and OpenAI-compatible API support. License: MIT.

YYLO - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Command-line orchestrator for AI coding agents: runs Claude Code, Codex CLI, and Gemini CLI in parallel git worktrees with Kanban task state, typed merge flows, and per-agent skills. License: MIT.

LocalAI - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Local, OpenAI-compatible REST API for running LLMs, audio transcription, image generation, and embeddings on commodity CPU/GPU. Free open-source alternative to OpenAI API. License: MIT.

AnythingLLM - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

The all-in-one Desktop & Docker AI application with full RAG pipeline, multi-agent workspaces, and complete privacy. Free open-source alternative to Chatbase / TypingMind. License: MIT.

Flowise - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Drag & drop user interface for building customized LLM applications, autonomous agents, and RAG pipelines. License: Apache-2.0.

Langflow - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Dynamic visual framework for building, testing, and deploying multi-agent AI and RAG applications. Free open-source alternative to Flowise / Dify. License: MIT.

Jan - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Open-source desktop alternative to ChatGPT that runs 100% offline on local hardware with zero data leakage. License: AGPL-3.0.

LibreChat - Open Source Web UI & Chat

Sat, 07 Nov 2026 22:19:40 GMT

Enhanced, self-hostable open-source AI chat platform unifying OpenAI, Anthropic, Gemini, and local LLMs. Free open-source alternative to ChatGPT Plus / Claude Pro. License: MIT.

Fabric - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Open-source prompt and automation framework for augmenting humans using AI patterns and modular CLI tooling. License: MIT.

Aider - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

AI pair programming in your terminal: edit code in local git repos with Claude 3.5 Sonnet, GPT-4o, or local LLMs with auto-commits. License: Apache-2.0.

OpenHands - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Open-source platform for software development agents that can write code, fix bugs, run bash commands, and browse documentation autonomously. Free open-source alternative to Devin / Copilot Workspace. License: MIT.

Continue - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Leading open-source AI code assistant inside VS Code and JetBrains: bring your own models, embeddings, and context providers. License: Apache-2.0.

llama.cpp - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

High-performance LLM inference in pure C/C++ with minimal setup and state-of-the-art quantization across Apple Silicon and GPUs. License: MIT.

LiteLLM - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Call 100+ LLM APIs using the standardized OpenAI input/output format with load balancing, proxy, and spend tracking. License: MIT.

PrivateGPT - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

100% private, local document question and answering engine using open LLMs without internet connection or data leaks. Free open-source alternative to ChatGPT Enterprise. License: Apache-2.0.

GPT4All - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Open-source ecosystem of consumer hardware-optimized LLMs running locally with desktop client and Python bindings. License: MIT.

Tabby - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Self-hosted AI coding assistant alternative to GitHub Copilot with local model execution and editor plugins. Free open-source alternative to GitHub Copilot. License: Apache-2.0.

Khoj - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Open-source, personal AI second brain that searches, reasons over, and answers questions from your personal docs and notes. Free open-source alternative to Rewind AI / Notion AI. License: GPL-3.0.

LlamaIndex - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Data framework for connecting enterprise custom data sources and knowledge bases to Large Language Models. License: MIT.

LangChain - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Standard open-source framework for building context-aware reasoning applications, agents, and multi-agent systems. Free open-source alternative to LlamaIndex Enterprise. License: MIT.

Instructor - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Structured data extraction from LLMs powered by Pydantic with validation, retries, and streaming support. License: MIT.

MindsDB - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Platform for customizing AI models directly on top of real-time enterprise data engines using SQL queries. License: GPL-3.0.

Chroma - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

The AI-native open-source embedding database with simple Python and JavaScript client SDKs. License: Apache-2.0.

Qdrant - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Vector similarity search engine with extended filtering support, payload indexing, and high-performance Rust core. Free open-source alternative to Pinecone. License: Apache-2.0.

Milvus - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Cloud-native open-source vector database built for massive scale similarity search and AI vector retrieval. Free open-source alternative to Pinecone. License: Apache-2.0.

Weaviate - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Open-source vector database that stores both objects and vectors, allowing for seamless hybrid search. Free open-source alternative to Pinecone. License: BSD-3-Clause.

Bark - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Transformer-based text-to-audio model created by Suno that can generate highly realistic speech, music, and ambient noise. License: MIT.

Whisper.cpp - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

High-performance inference of OpenAI's Whisper automatic speech recognition in pure C/C++ without external dependencies. Free open-source alternative to OpenAI Whisper API. License: MIT.

ComfyUI - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

The most powerful and modular stable diffusion GUI and backend with graph/nodes-based workflow interface. License: GPL-3.0.

SearXNG - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Privacy-respecting open-source metasearch engine ideal for grounding AI models and retrieval-augmented generation. Free open-source alternative to Google Custom Search API. License: AGPL-3.0.

RAGFlow - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Next-generation open-source RAG engine based on deep document understanding to extract structured data from complex files. Free open-source alternative to Dify Enterprise. License: Apache-2.0.

Mem0 - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

The memory layer for personalized AI assistants and autonomous agents, improving retention over time. Free open-source alternative to Zep Memory. License: Apache-2.0.

Open-Interpreter - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Open-source, local-first code interpreter that lets LLMs run Python, JavaScript, and Bash code on your computer. License: AGPL-3.0.

TGI (Text Generation Inference) - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Hugging Face's production-ready toolkit for deploying and serving Large Language Models at scale with Tensor Parallelism. Free open-source alternative to Triton Inference Server. License: Apache-2.0.

SGLang - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Fast serving engine for large language models and vision-language models with RadixAttention for multi-turn caching. Free open-source alternative to vLLM / TensorRT-LLM. License: Apache-2.0.

TensorRT-LLM - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

NVIDIA's specialized library providing state-of-the-art acceleration and optimized execution for LLM inference. Free open-source alternative to NVIDIA AI Enterprise. License: Apache-2.0.

ExLlamaV2 - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Fast inference library for running local LLMs on modern NVIDIA GPUs with EXL2 quantization. License: MIT.

llamafile - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Distribute and run LLMs with a single multi-GB binary that runs across Windows, macOS, Linux, and FreeBSD. License: Apache-2.0.

Aphrodite Engine - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

High-throughput, memory-efficient LLM inference engine supporting many architectures and quantizations. License: Apache-2.0.

AutoGPT - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Autonomous AI agent platform empowering developers to create, test, and deploy customized AI agent chains. License: MIT.

CrewAI - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Cutting-edge framework for orchestrating role-playing, autonomous AI agents to collaborate seamlessly. License: MIT.

AutoGen - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Microsoft's multi-agent conversation framework for building advanced AI agent workflows and collaborative task execution. License: CC-BY-4.0.

MetaGPT - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Multi-agent framework assigning distinct software company roles (Product Manager, Architect, Engineer) to LLMs. Free open-source alternative to Devin AI. License: MIT.

ChatDev - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Virtual software company simulated by communicative agents to complete full lifecycle software development. License: Apache-2.0.

SuperAGI - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Dev-first open source autonomous AI agent framework with GUI, agent telemetry, concurrent agents, and marketplace. Free open-source alternative to AutoGPT Enterprise. License: MIT.

Unsloth - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Finetune Llama 3.3, Mistral, and Qwen 2x-5x faster with 70% less memory using optimized hand-written GPU kernels. Free open-source alternative to Anyscale / RunPod. License: Apache-2.0.

Axolotl - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Post-training framework for fine-tuning hundreds of open-source language models with standard YAML configurations. License: Apache-2.0.

LLaMA-Factory - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Unified web UI and CLI for easy fine-tuning and evaluation of 100+ LLMs and multi-modal models. License: Apache-2.0.

AutoAWQ - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Activation-aware Weight Quantization package for 4-bit LLM quantization with 3x speedup. License: Apache-2.0.

AutoGPTQ - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Easy-to-use LLMs quantization package with user-friendly APIs, based on GPTQ algorithm. License: MIT.

bitsandbytes - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Accessible 8-bit and 4-bit optimizers and quantization functions for deep learning on CUDA and ROCm. License: MIT.

PEFT - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Hugging Face's state-of-the-art Parameter-Efficient Fine-Tuning library (LoRA, QLoRA, Prefix Tuning). License: Apache-2.0.

TRL - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Transformer Reinforcement Learning library with Supervised Fine-Tuning (SFT), DPO, and PPO training loops. License: Apache-2.0.

Ragas - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Evaluation framework for your Retrieval Augmented Generation (RAG) pipelines with faithfulness metrics. Free open-source alternative to Arize Phoenix. License: Apache-2.0.

DeepEval - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

The open-source LLM evaluation framework like Pytest for LLM applications with 14+ benchmark metrics. License: Apache-2.0.

NeMo-Guardrails - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

NVIDIA's toolkit for easily adding programmable guardrails and safety bounds to LLM-based conversational apps. License: Apache-2.0.

Guidance - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

A guidance language for controlling large language models with interleaved generation, prompting, and constrain. License: MIT.

Outlines - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Structured text generation library with regular expressions, JSON schemas, and context-free grammars. License: Apache-2.0.

Promptfoo - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Test your prompts, agents, and RAGs against red-teaming attacks, prompt injections, and regression suites. Free open-source alternative to LangSmith. License: MIT.

Stable Diffusion WebUI - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

The ubiquitous browser interface for Stable Diffusion based on Gradio library with extensive extensions. License: AGPL-3.0.

InvokeAI - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Professional generative AI engine and canvas for creative visual artists and digital designers. License: Apache-2.0.

Fooocus - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Focus on prompting and generating without complex parameter tuning, inspired by Midjourney simplicity. License: GPL-3.0.

LLaVA - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Visual instruction tuning toward large multimodal models: chat and reasoning over high-res images. License: Apache-2.0.

Segment Anything (SAM) - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Meta's foundation model for image segmentation, allowing promptable cutouts of any object with one click. License: Apache-2.0.

YOLOv8 - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Ultralytics YOLOv8 for real-time object detection, image segmentation, pose estimation, and classification. License: AGPL-3.0.

PaddleOCR - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Awesome multilingual OCR toolkits supporting 80+ languages, table recognition, and document structure analysis. Free open-source alternative to Google Cloud Vision OCR. License: Apache-2.0.

Kokoro-TTS - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Lightweight, open-weight text-to-speech model producing studio-grade human voices with only 82M parameters. License: Apache-2.0.

Piper TTS - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Fast, local neural text to speech system that sounds great and is optimized for Raspberry Pi and low-power hardware. Free open-source alternative to ElevenLabs. License: MIT.

ChatTTS - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

A generative text-to-speech model specifically designed for conversational scenarios and dialogue synthesis. License: CC-BY-NC-4.0.

Faster-Whisper - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Reimplementation of OpenAI's Whisper model using CTranslate2, delivering up to 4x faster transcription. License: MIT.

pgvector - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Open-source vector similarity search extension for PostgreSQL, supporting exact and approximate nearest neighbor. Free open-source alternative to Pinecone / Weaviate Cloud. License: PostgreSQL.

Faiss - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Meta's library for efficient similarity search and clustering of dense vectors, indexing billions of vectors on GPUs. License: MIT.

LanceDB - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Developer-friendly, serverless open-source vector database for multi-modal AI with zero-copy storage. Free open-source alternative to Pinecone. License: Apache-2.0.

Vespa - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

The open big data serving engine: store, search, organize, and machine-learn over large vector and text datasets in real-time. License: Apache-2.0.

Annoy - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Spotify's C++ library with Python bindings to search for points in space that are close to a given query point. License: Apache-2.0.

BabyAGI - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Pioneering AI-powered task management and autonomous agent execution system that builds on task completion loops. License: MIT.

OpenCodeInterpreter - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Open-source code generation system integrating dynamic execution feedback and compiler outputs for iterative code refinement. Free open-source alternative to GitHub Copilot. License: Apache-2.0.

LMQL - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

A query language for programming Large Language Models with typed output constraints and distribution control. License: Apache-2.0.

AutoRound - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Intel's advanced weight-only quantization algorithm for low-bit LLM optimization without accuracy degradation. License: Apache-2.0.

SWE-agent - Open Source Autonomous Coding & Agent Dev

Sat, 07 Nov 2026 22:19:40 GMT

Autonomous software engineering agent that turns LM models into autonomous agents solving GitHub issues. Free open-source alternative to Devin AI. License: MIT.

DSPy - Open Source AI Workflow & Orchestration

Sat, 07 Nov 2026 22:19:40 GMT

Stanford framework for programming—rather than prompting—foundation models with automatic prompt optimization. License: MIT.

FastChat - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

An open platform for training, serving, and evaluating LLM-based chatbots, the core engine behind LMSYS Chatbot Arena. License: Apache-2.0.

GPTCache - Open Source Local AI & Inference

Sat, 07 Nov 2026 22:19:40 GMT

Semantic cache for LLM queries to cut costs and speed up response time up to 10x using vector similarity. License: MIT.

MCP Dubai - Open Source AI Agents & MCP Servers

Sat, 07 Nov 2026 22:19:40 GMT

Open-source MCP server connecting AI assistants to Dubai and UAE public APIs — real estate, transport, statistics, education, health, and business data via Dubai Pulse, RTA, DLD, KHDA, and DHA. Runs locally over stdio. License: MIT.

Eigenwise Toolshed - Open Source AI Agents & Local LLMs

Sat, 07 Nov 2026 22:19:40 GMT

Free, MIT-licensed plugins for Claude Code covering codebase maps, project rules, coding-work orchestration, capability discovery, model routing, and local observability. Developers can install individual modular plugins. License: MIT.

Tale - Open Source AI Agents & Local LLMs

Sat, 07 Nov 2026 22:19:40 GMT

Open-source project workspace for teams and AI agents, with task delegation, persistent sandbox workspaces, and deliverable review. Self-hosting uses separately configured model-provider credentials. License: MIT.

SkillPrism - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Progressive skill disclosure and context compaction engine for autonomous AI coding agents. Indexes enterprise tool schemas out-of-context and dynamically discloses only required tools to prevent prompt bloat. License: Apache-2.0.

DBShield - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Safety-first database guardrail and transaction-rollback sandboxing MCP server for AI coding agents. Intercepts unconstrained mutations, bulk deletes, lock escalations, and masks sensitive PII in real-time. License: MIT.

Pydantic AI - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Production-grade generative AI agent framework built by the Pydantic team. Provides type-safe validation, structured response generation, dependency injection, and stream inspection for LLM applications. License: MIT.

LangGraph - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Multi-agent orchestration library for building stateful, cyclic AI agent workflows with LangChain. Supports long-term human-in-the-loop memory, streaming step-by-step state recovery, and fault-tolerant graphs. License: MIT.

Browser Use - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Open-source web automation library connecting LLMs to live browser sessions. Allows autonomous agents to navigate web apps, extract deep elements, click buttons, solve captchas, and automate online workflows. License: MIT.

Smolagents - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Lightweight, developer-first AI agent library by Hugging Face where agents execute code actions directly in Python instead of verbose JSON tool-call steps, minimizing token overhead and execution latency. License: Apache-2.0.

Mastra - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Opinionated TypeScript agent framework for building, testing, and deploying production AI applications. Features typed workflows, evaluation metrics, retrieval-augmented generation (RAG), and local dev servers. License: Apache-2.0.

Docling - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Efficient open-source document parser that converts complex PDF, DOCX, and PPTX documents into structured Markdown and JSON with native table extraction, formula recognition, and LLM-ready chunking. License: MIT.

MarkItDown - Open Source AI Agents & Autonomous Coding

Sat, 07 Nov 2026 22:19:40 GMT

Microsoft utility for converting multi-format documents (PDF, PowerPoint, Word, Excel, Images, Audio, HTML) into clean Markdown for indexing in AI agent pipelines, vector databases, and LLM contexts. License: MIT.

AI Image Cleaner - Open Source AI & Machine Learning

Sat, 07 Nov 2026 22:19:40 GMT

Online AI inpainting tool to remove unwanted people, objects, watermarks, and clutter from photos with brush-mask editing. License: Open Source.

FinePrint AI - Open Source Developer Utilities

Sat, 07 Nov 2026 22:19:40 GMT

In-memory legal contract, lease, and NDA scanner grading risk A-F with automated attorney-grade redline amendments. License: Proprietary / Community.

GitWhisper - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Local-first & privacy-hardened AI Git commit intelligence with Conventional Commits, AST secret redaction, atomic hunk splitting, and 1-click VS Code extension. License: MIT.

FlashLane - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Universal, high-speed bootable ISO/IMG USB writer with Rufus parity for Windows, macOS, and Linux. Streaming 4MB chunks, MBR/GPT, BIOS/UEFI, and simulation mode. License: MIT.

lazygit - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Simple, fast terminal UI for git commands with interactive rebasing and visual diff navigation. License: MIT.

ripgrep - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Ultra-fast line-oriented search tool that recursively searches directories for a regex pattern while respecting gitignore. Free open-source alternative to Grep. License: MIT / UNLICENSE.

eza - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

A modern, maintained replacement for ls with colors, git status integration, icons, and tree views. Free open-source alternative to Ls. License: EUPL-1.2.

fzf - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

General-purpose command-line fuzzy finder with blazing speed and interactive shell bindings. Free open-source alternative to Command-T / QuickOpen. License: MIT.

agent-browser - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Open-source browser automation CLI for AI agents, with a fast Rust core and Node.js fallback for navigation, forms, screenshots, and structured page interaction. License: Apache-2.0.

bat - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Cat clone with syntax highlighting and Git integration for dozens of programming languages. Free open-source alternative to Cat. License: MIT / Apache-2.0.

delta - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

A syntax-highlighting pager for git, diff, and grep output with side-by-side views and line numbers. License: MIT.

hyperfine - Open Source Benchmarking & Performance

Sat, 07 Nov 2026 22:19:40 GMT

Command-line benchmarking tool with statistical analysis, warmup runs, and parametric sweeps. License: MIT / Apache-2.0.

tldr - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Collaborative, simplified community man pages focusing on practical, real-world command examples. License: MIT.

dust - Open Source Disk & Storage

Sat, 07 Nov 2026 22:19:40 GMT

A more intuitive version of du in Rust providing instant visual disk usage breakdown in terminal. License: Apache-2.0.

procs - Open Source System & Process Monitoring

Sat, 07 Nov 2026 22:19:40 GMT

A modern replacement for ps with color highlighting, multi-column search, and process tree view. License: MIT.

bottom - Open Source System & Process Monitoring

Sat, 07 Nov 2026 22:19:40 GMT

Cross-platform graphical process and system monitor with customizable terminal charts and widgets. License: MIT.

curlie - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

The power of curl with the ease of use and human-friendly terminal output of HTTPie. License: MIT.

Starship - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

The minimal, blazing-fast, and infinitely customizable cross-shell prompt for any shell (Bash, Zsh, Fish, PowerShell). Free open-source alternative to Oh My Zsh. License: ISC.

zoxide - Open Source Terminal Navigation

Sat, 07 Nov 2026 22:19:40 GMT

Smarter cd command inspired by z and autojump: learns your navigation habits to jump to directories in fewer keystrokes. Free open-source alternative to Autojump. License: MIT.

gh-dash - Open Source GitHub Workflow & TUI

Sat, 07 Nov 2026 22:19:40 GMT

Beautiful terminal user interface dashboard extension for GitHub CLI to manage pull requests and issues effortlessly. License: MIT.

HTTPie - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Modern, user-friendly command-line HTTP client for API debugging with clean JSON formatting, colorized output, and sessions. License: BSD-3-Clause.

fd - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

A simple, fast, and user-friendly alternative to find with intuitive syntax and colorized terminal output. License: Apache-2.0 / MIT.

btop - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Resource monitor that shows usage and stats for processor, memory, disks, network, and processes with responsive graphs. Free open-source alternative to Activity Monitor / Datadog Agent. License: Apache-2.0.

k9s - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Kubernetes CLI to manage your clusters in style, observe real-time events, and troubleshoot workloads. Free open-source alternative to Lens Kubernetes IDE. License: Apache-2.0.

act - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Run your GitHub Actions locally inside Docker containers for fast, offline CI/CD pipeline iteration. License: MIT.

duf - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Disk Usage/Free utility, a colorful and user-friendly modern replacement for df. Free open-source alternative to Df Command. License: MIT.

tokei - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Blazingly fast CLI utility that counts code, lines, comments, and blank spaces across hundreds of programming languages. Free open-source alternative to CLOC Enterprise. License: MIT / Apache-2.0.

xh - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Friendly and fast tool for sending HTTP requests with intuitive syntax, colorized output, and native curl translation. Free open-source alternative to HTTPie / Postman CLI. License: MIT.

doggo - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Modern command-line DNS client with colorful output, support for DoH, DoT, and DNSCrypt protocols. License: GPL-3.0.

fx - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Terminal JSON viewer and interactive streaming processor supporting JavaScript, Python, and Ruby one-liners. License: MIT.

jless - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Command-line JSON viewer designed for reading, exploring, and querying JSON objects with Vim-style navigation. License: MIT.

lazysql - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

Cross-platform terminal UI database management tool for PostgreSQL, MySQL, and SQLite. License: MIT.

gum - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

A tool for glamorous shell scripts with interactive prompts, file pickers, filters, and spin animations. License: MIT.

vhs - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Write terminal GIFs as code, automatically testing and generating high-resolution recordings for documentation. License: MIT.

glow - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Terminal-based markdown reader designed for reading documentation directly in the shell with beautiful formatting. License: MIT.

dive - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Tool for exploring a Docker image, layer contents, and discovering ways to shrink your image size. License: MIT.

lazydocker - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

A simple terminal UI for both Docker and docker-compose, written in Go with the gocui library. Free open-source alternative to Docker Desktop. License: MIT.

usql - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

Universal command-line interface for PostgreSQL, MySQL, SQLite, Oracle, ClickHouse, and 20+ database systems. License: MIT.

gping - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Ping, but with a live line graph rendering network latency trends right inside your terminal. License: MIT.

bandwhich - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Terminal bandwidth utilization tool that sniffs network packets to determine process bandwidth usage. License: MIT.

choose - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Human-friendly, fast alternative to cut and awk with intuitive zero-indexed field selection. License: GPL-3.0.

sd - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Intuitive find & replace CLI, modern replacement for sed with regex and smart case support. License: MIT.

mcfly - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Neural network-powered shell history search that prioritizes commands by directory context and exit status. Free open-source alternative to Shell History Pro. License: MIT.

yazi - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Blazingly fast terminal file manager written in Rust, based on async I/O with image preview support. Free open-source alternative to Mac Finder / TotalFinder. License: MIT.

helix - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Post-modern modal text editor built in Rust with built-in Language Server Protocol (LSP) and Tree-sitter syntax highlighting. License: MPL-2.0.

zellij - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

A terminal workspace and multiplexer with batteries included, floating panes, and WebAssembly plugin system. License: MIT.

nnn - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Tiny, lightning-fast terminal file manager with disk usage analyzer, batch renamer, and app launcher. License: BSD-2-Clause.

ranger - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

VIM-inspired console file manager with multi-column display and automatic file preview. License: GPL-3.0.

broot - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

A new way to see and navigate directory trees, find files, and launch commands quickly. License: MIT.

superfile - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Fancy and modern terminal file manager with sleek UI, file previews, and keyboard navigation. Free open-source alternative to TotalFinder / Directory Opus. License: MIT.

htop - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Interactive cross-platform process viewer with colorful meters and process tree view. License: GPL-2.0.

glances - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Cross-platform system monitoring tool with web interface and REST API export. License: LGPL-3.0.

fastfetch - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Neofetch-like tool for fetching system information and displaying it prettily, written in pure C. License: MIT.

ncdu - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Disk usage analyzer with an ncurses interface, designed to find space hogs on remote servers. Free open-source alternative to Disk Inventory X / DaisyDisk. License: MIT.

gdu - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Fast console disk usage analyzer with console GUI written in Go, specifically optimized for SSDs. License: MIT.

aria2 - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Ultra-fast multi-protocol and multi-source command-line download utility (HTTP, HTTPS, FTP, BitTorrent). License: GPL-2.0.

croc - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Easily and securely send files or folders between any two computers using relay and end-to-end encryption. License: MIT.

magic-wormhole - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Securely get things from one computer to another using short, human-pronounceable one-time codes. License: MIT.

trippy - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

A network diagnostic tool combining the functionality of traceroute and ping with interactive TUI. Free open-source alternative to Traceroute Pro. License: Apache-2.0.

mitmproxy - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

An interactive, SSL-capable intercepting HTTP proxy for penetration testers and software developers. Free open-source alternative to Charles Proxy / Fiddler Everywhere. License: MIT.

websocat - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Command-line client for WebSockets, like netcat or curl for ws:// and wss:// endpoints. License: MIT.

grpcurl - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Like cURL, but for gRPC: command-line tool that lets you interact with gRPC servers via reflection. License: MIT.

gh - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

GitHub's official command line tool to manage pull requests, issues, releases, and repository workflows. License: MIT.

glab - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

GitLab's official open source CLI tool bringing GitLab features directly to your terminal. License: MIT.

git-cliff - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Highly customizable changelog generator based on conventional commits and Git history. License: Apache-2.0 / MIT.

onefetch - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Git repository summary information tool written in Rust that displays project stats directly in terminal. Free open-source alternative to Neofetch Pro. License: MIT.

gitleaks - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Protect and discover secrets & sensitive data like passwords, API keys, and tokens in git repositories. License: MIT.

trufflehog - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Find leaked credentials and secrets across git commit history, filesystems, and S3 buckets. Free open-source alternative to GitGuardian. License: AGPL-3.0.

osv-scanner - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Vulnerability scanner written in Go that checks your dependencies against the Open Source Vulnerability database. Free open-source alternative to Snyk Open Source. License: Apache-2.0.

tmux - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Terminal multiplexer that lets you switch easily between several programs in one terminal and detach sessions. License: ISC.

atuin - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Magical shell history sync and search tool with SQLite database backing and end-to-end encryption. License: MIT.

thefuck - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Magnificent app that corrects errors in your previous console commands automatically. Free open-source alternative to Shell Error Corrector. License: MIT.

direnv - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Unclutter your .profile by loading and unloading environment variables depending on the current directory. License: MIT.

mise - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Front-end to your dev environment: polyglot runtime executor, environment variable manager, and task runner. Free open-source alternative to ASDF. License: MIT.

asdf-vm - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Multiple runtime version manager with a single CLI and unified configuration for Node.js, Python, Ruby, and more. License: MIT.

pnpm - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Fast, disk space efficient package manager using hard links and content-addressable storage. License: MIT.

bun - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Incredibly fast JavaScript and TypeScript runtime, bundler, test runner, and package manager written in Zig. License: MIT.

deno - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Secure runtime for JavaScript and TypeScript with built-in web standards and package management. License: MIT.

jq - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Command-line JSON processor: flexible, lightweight, and powerful slice, filter, and map utility. License: MIT.

yq - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Portable command-line YAML, JSON, XML, CSV, and properties processor written in Go. License: MIT.

miller - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and JSON. License: BSD-2-Clause.

csvkit - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

A suite of command-line tools for converting to and working with CSV, the king of tabular formats. License: MIT.

pandoc - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Universal markup converter that translates between Markdown, LaTeX, HTML, PDF, Docx, and 40+ formats. License: GPL-2.0.

typos-cli - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Source code spell checker that finds and corrects typos in source code with low false positives. License: Apache-2.0 / MIT.

vale - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

Syntax-aware linter for prose and documentation supporting Google, Microsoft, and custom style guides. Free open-source alternative to Grammarly Business. License: MIT.

RowSafe - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

Apache-2.0 PostgreSQL CLI and MCP tools for health diagnostics and tuning, plus a Linux server agent for backups to your own storage, recovery checkpoints and weekly restore tests. License: Apache-2.0.

pgcli - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

Postgres CLI with auto-completion and syntax highlighting, table formatting, and smart completions. License: BSD-3-Clause.

mycli - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

A terminal client for MySQL, MariaDB, and Percona with auto-completion and syntax highlighting. License: BSD-3-Clause.

iredis - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

A terminal client for Redis with auto-completion and syntax highlighting, command suggestions, and hints. License: BSD-3-Clause.

litecli - Open Source Database & SQL

Sat, 07 Nov 2026 22:19:40 GMT

CLI for SQLite databases with auto-completion and syntax highlighting. License: BSD-3-Clause.

stern - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Multi pod and container log tailing for Kubernetes with regex filtering and color-coded stream output. Free open-source alternative to Kubernetes Log Viewers. License: Apache-2.0.

kubectx - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Faster way to switch between clusters and namespaces in kubectl with fuzzy search integration. Free open-source alternative to Kubernetes Context Switchers. License: Apache-2.0.

helm - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

The package manager for Kubernetes: define, install, and upgrade complex Kubernetes applications. License: Apache-2.0.

kustomize - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Customization of Kubernetes YAML configurations without templates, using patch layers and overlays. License: Apache-2.0.

minikube - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Run Kubernetes locally on Windows, macOS, and Linux with automated cluster provisioning. Free open-source alternative to Docker Desktop Kubernetes. License: Apache-2.0.

kind - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Kubernetes IN Docker: tool for running local Kubernetes clusters using Docker container nodes. Free open-source alternative to EKS / GKE Local. License: Apache-2.0.

dasel - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Query and update data structures using selectors from the command line across JSON, YAML, TOML, and XML. License: MIT.

zenith - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Terminal system monitor with zooming, historical graphs, process trees, and disk/network I/O tracking. License: MIT.

diskonaut - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Terminal visual disk space navigator that visually maps out filesystems to locate large directories. License: MIT.

ctop - Open Source DevOps & Containers

Sat, 07 Nov 2026 22:19:40 GMT

Top-like interface for container metrics, real-time memory and CPU consumption for Docker and Kubernetes. License: MIT.

speedtest-cli - Open Source HTTP & Network

Sat, 07 Nov 2026 22:19:40 GMT

Command line interface for testing internet bandwidth using speedtest.net servers without flash/browser. License: Apache-2.0.

git-sizer - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

Compute various size metrics for a Git repository to detect large files, bloated commits, or excessive branches. License: MIT.

cz-cli - Open Source Git & Version Control

Sat, 07 Nov 2026 22:19:40 GMT

The commitizen command line utility that prompts developers for conventional commit messages. License: MIT.

volta - Open Source Developer Tools

Sat, 07 Nov 2026 22:19:40 GMT

The hassle-free JavaScript tool manager that automatically switches Node.js and package manager versions per project. Free open-source alternative to NVM. License: BSD-2-Clause.

q - Open Source Terminal & Search

Sat, 07 Nov 2026 22:19:40 GMT

Execute SQL-like queries directly on CSV, TSV, and tabular text files without loading into a database. License: GPL-3.0.

lf - Open Source Terminal & Shell

Sat, 07 Nov 2026 22:19:40 GMT

Terminal file manager written in Go, heavily inspired by ranger with faster startup and server/client architecture. License: MIT.

inxi - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Full featured CLI system information tool designed for troubleshooting hardware and system configurations. License: GPL-3.0.

Codex Quota Overlay - Open Source Dev Utilities & Libraries

Sat, 07 Nov 2026 22:19:40 GMT

An independent, open-source Codex Desktop companion for Windows and macOS. It displays quota limits, reset times, and reset credits, with a local Quota Center for pace and history. I am a maintainer of this independent project; it is not affiliated with or endorsed by OpenAI. License: MIT.

Web Performance Budget Gate - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Offline Node.js CLI that checks captured Lighthouse JSON against declared route-level performance budgets and reports a completed budget failure. It does not run Lighthouse or measure a live page. License: MIT.

Hyperconsciousness - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Developer-alpha encrypted, append-only knowledge store with a Rust CLI and MCP server. Developers can sync signed records across devices and give agents scoped, expiring access to notes. License: MIT.

Image Format Readiness - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Offline Node.js CLI that checks exported HTML and local image files for declared dimensions, aspect ratio, alternative text, loading declarations, pinned format policy, and byte budgets. It reports pass, fail, or incomplete evidence; it does not optimize images or test live browser compatibility. License: MIT.

Docs Link Integrity Checker - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Offline Node.js CLI that checks Markdown and HTML links, local targets and anchors inside a bounded documentation root. It never fetches external URLs; without an imported status for them, the report stays incomplete rather than passing silently. License: MIT.

OpenAPI Example Validator - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Offline Node.js CLI that checks examples in local JSON OpenAPI 3.0 and 3.1 descriptions against the schema for their operation and media type. It reports unsupported checks as incomplete instead of treating them as a pass. License: MIT.

OrkasVideoStudio - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Local-first TypeScript CLI and MCP toolkit for coding agents to compose, edit, and assemble videos from editable plan.json timelines. Core editing and transcription need no API keys; optional generation features use your own provider keys. License: MIT.

Shipvela publishing plugin and skills - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

MIT-licensed publishing skills and MCP client configuration for coding agents to stage website files, review deployments, and track status. Enables direct website publishing from agent workflows without requiring code generation or a self-hosted server. License: MIT.

LeanFPS - Open Source OS & Hardware Utilities

Sat, 07 Nov 2026 22:19:40 GMT

Open-source Windows performance utility built in Rust and egui. Features game detection, ETW FPS recording, safe tweak undo, and crash recovery without modifying game files. License: MIT.

Solaris Dev Shop - Open Source Dev Utilities & Libraries

Sat, 07 Nov 2026 22:19:40 GMT

Free MIT skill library. A deterministic Python router assigns one accountable lead and, when needed, supporting specialist skills. It does not start agents, call a model, or require an account. License: MIT.

DateParser Kotlin - Open Source Dev Utilities & Libraries

Sat, 07 Nov 2026 22:19:40 GMT

MIT Kotlin Multiplatform library for offline natural-language date and time parsing in Russian and English. Published Android (API 26+), JVM and iOS variants resolve supported phrases against an explicit reference time and timezone for use in task/reminder forms. License: MIT.

ClonePeek - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Read-only Python CLI and GitHub Action that inventories first-run repository execution hooks (npm scripts, VS Code tasks, devcontainers, and MCP process settings) and generates review reports without executing project code. License: MIT.

Bubo - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Bubo is a self-hosted AI code reviewer for GitHub pull requests and GitLab merge requests. It runs with an operator-chosen LLM, posts evidence-backed inline findings, and provides auditable quality, governance, provenance, cost, and ROI data. License: MIT.

StoneSVN - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

MIT-licensed SVN desktop client for Windows, macOS and Linux, developed from OrcaSVN. It helps developers switch working copies, review diffs, choose files/directories to commit and shelve selected text hunks through the locally installed SVN CLI. License: MIT.

vhr-bench - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

Single MIT-licensed Bash script that benchmarks a Linux server in about a minute with sysbench CPU and memory tests and fio 4k random read and write IOPS. It asks before installing sysbench or fio and sends nothing anywhere unless you pass an upload token. License: MIT.

Flisk - Open Source DevOps & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Generate and run your whole tech stack without the setup pain. One command from empty folder to running stack. License: MIT.

Cloady MCP - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

An open-source MCP server that lets compatible AI coding assistants deploy and manage Cloady applications and databases, inspect logs, and work with hosting resources through the Cloady API. The npm package runs locally over stdio and authenticates with the developer's Cloady API token. License: MIT.

Kilobat CLI - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

I built Kilobat CLI for macOS network monitoring and diagnostics, with an interactive terminal interface, JSON output and a local MCP server for agents. The GPL-licensed CLI is a separate project from the proprietary desktop app. License: GPL-3.0-only.

mcp-builder-kit - Open Source Developer Toolkits & MCP

Sat, 07 Nov 2026 22:19:40 GMT

Production toolkit and scaffolding engine for Model Context Protocol (MCP) servers. Generates typed TypeScript and FastMCP Python servers, converts OpenAPI specs into tools, and includes a live testing studio. License: Apache-2.0.

FastMCP - Open Source Developer Toolkits & MCP

Sat, 07 Nov 2026 22:19:40 GMT

High-level, idiomatic Python framework for building Model Context Protocol servers. Features fast decorator-based tool definitions, automatic Pydantic schema validation, and stdio/SSE transport support. License: Apache-2.0.

Stagehand - Open Source Automation & Browser Testing

Sat, 07 Nov 2026 22:19:40 GMT

AI-powered web browsing automation SDK built on Playwright. Uses natural language commands (act, extract, observe) to interact with dynamic web applications without brittle XPath or CSS selector scripts. License: MIT.

Crawlee - Open Source Web Scraping & Crawling

Sat, 07 Nov 2026 22:19:40 GMT

Scalable web scraping and browser automation library for Node.js and Python. Handles automatic proxy rotation, request queuing, headless Playwright/Puppeteer rendering, and session fingerprint evasion. License: Apache-2.0.

E2B Code Interpreter - Open Source Sandboxing & Cloud Execution

Sat, 07 Nov 2026 22:19:40 GMT

Secure cloud sandboxing platform designed specifically for autonomous AI agents. Spawns isolated, microVM execution environments in milliseconds to run untrusted agent code, charts, and shell commands safely. License: Apache-2.0.

Akii: SEO & AI Search Optimizer - Open Source CLI & Developer Productivity

Sat, 07 Nov 2026 22:19:40 GMT

A free Claude Code plugin that audits sites, checks links, plans content and creates JSON-LD. It runs in the Claude Code terminal on macOS and Linux. License: MIT.

MockForge AI - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

High-throughput relational mock database and seed data synthesizer with 100% foreign-key integrity using Kahn DAG & WebAssembly SQLite. License: Proprietary / Community.

AutoHeal-QA - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

100% Free & Local-first agentic self-healing E2E test runner for Playwright. cloud cost with AST auto-patching and verification loop. License: MIT.

Agent QA - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Self-improving QA agent for natural-language web and mobile tests, with a local dashboard and CLI. License: FSL-1.1-ALv2.

Playwright - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Fast and reliable end-to-end testing framework for modern web apps across Chromium, Firefox, and WebKit. License: Apache-2.0.

Vitest - Open Source Unit & Integration Testing

Sat, 07 Nov 2026 22:19:40 GMT

Blazing fast Vite-native unit test framework with ESM, TypeScript, and out-of-the-box coverage. License: MIT.

k6 - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Modern load testing tool, using Go and JavaScript, for testing system performance and reliability. Free open-source alternative to LoadRunner / Gatling Enterprise. License: AGPL-3.0.

Bruno - Open Source API Testing & Debugging

Sat, 07 Nov 2026 22:19:40 GMT

Fast, git-friendly, open-source API client that stores collections directly in your repo via plain text files. Free open-source alternative to Postman. License: MIT.

Hoppscotch - Open Source API Testing & Debugging

Sat, 07 Nov 2026 22:19:40 GMT

Open-source API development ecosystem, lightweight web & desktop app with WebSocket, GraphQL, and SSE support. Free open-source alternative to Postman. License: MIT.

Mockoon - Open Source API Mocking & Sandboxes

Sat, 07 Nov 2026 22:19:40 GMT

The easiest and quickest way to design and run mock REST APIs locally with custom routes, rules, and proxies. Free open-source alternative to Postman Mock Server. License: MIT.

Artillery - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Cloud-scale load testing and functional testing platform for HTTP, WebSockets, and gRPC. License: MPL-2.0.

Locust - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Scalable user load testing tool written in Python with real-time web monitoring UI. Free open-source alternative to LoadRunner / Artillery Pro. License: MIT.

MSW (Mock Service Worker) - Open Source API Mocking & Sandboxes

Sat, 07 Nov 2026 22:19:40 GMT

Seamless REST and GraphQL API mocking library for browser and Node.js using Service Worker API to intercept requests at the network level. Free open-source alternative to Postman Mocks. License: MIT.

Vegeta - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Versatile HTTP load testing tool and library built in Go for drilling HTTP services with constant request rates. License: MIT.

Cypress - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Fast, easy, and reliable end-to-end testing framework for anything that runs in a web browser. License: MIT.

Jest - Open Source Unit & Integration Testing

Sat, 07 Nov 2026 22:19:40 GMT

Delightful JavaScript testing framework with a focus on simplicity, snapshots, and zero configuration. License: MIT.

WireMock - Open Source API Mocking & Sandboxes

Sat, 07 Nov 2026 22:19:40 GMT

Flexible simulator and mock server for HTTP-based APIs with support for record/playback and stateful scenarios. Free open-source alternative to Postman Mock Server. License: Apache-2.0.

Prism - Open Source API Mocking & Sandboxes

Sat, 07 Nov 2026 22:19:40 GMT

Open-source HTTP mock server that generates realistic mock servers directly from OpenAPI and JSON Schema specs. Free open-source alternative to Stoplight / Postman Mocks. License: Apache-2.0.

Lighthouse CI - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Automated tool suite for running Lighthouse audits in CI/CD to prevent performance and accessibility regressions. License: Apache-2.0.

Axe-core - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Accessibility testing engine for websites and HTML-based user interfaces with zero false positives. License: MPL-2.0.

Faker - Open Source Test Data Generation

Sat, 07 Nov 2026 22:19:40 GMT

Generate massive amounts of realistic mock data in Node.js and the browser for robust testing environments. License: MIT.

Pact - Open Source Contract & Schema Testing

Sat, 07 Nov 2026 22:19:40 GMT

Consumer-driven contract testing library for microservices, HTTP APIs, and asynchronous message queues. License: MIT.

Stryker - Open Source Unit & Integration Testing

Sat, 07 Nov 2026 22:19:40 GMT

Mutation testing framework for JavaScript and TypeScript to ensure your unit test suite actually catches bugs. License: Apache-2.0.

Taiko - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Node.js library to automate Chromium browsers with a clear, human-readable API and smart element locators. License: Apache-2.0.

Autocannon - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Fast HTTP/1.1 benchmarking tool written in Node.js, capable of generating massive request throughput. License: MIT.

Insomnia - Open Source API Testing & Debugging

Sat, 07 Nov 2026 22:19:40 GMT

Leading open-source API development and debugging platform for GraphQL, REST, WebSockets, and gRPC. License: Apache-2.0.

Trivy - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Comprehensive security scanner for container images, file systems, Git repositories, and Kubernetes manifests. Free open-source alternative to Snyk Container. License: Apache-2.0.

Semgrep - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Fast, lightweight static analysis engine for finding bugs, enforcing secure coding standards, and auditing ASTs. Free open-source alternative to Veracode / Checkmarx. License: LGPL-2.1.

SonarQube Community - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Continuous inspection engine for code quality, architectural hotspots, and security vulnerabilities across 30+ languages. Free open-source alternative to Snyk Code / Veracode. License: LGPL-3.0.

Newman - Open Source API Testing & Debugging

Sat, 07 Nov 2026 22:19:40 GMT

Postman's collection runner CLI allowing you to run and test Postman collections directly in CI/CD pipelines. Free open-source alternative to Postman CLI. License: Apache-2.0.

PactumJS - Open Source Contract & Schema Testing

Sat, 07 Nov 2026 22:19:40 GMT

Next-generation REST API automation testing framework for all levels in a test pyramid with mock support. Free open-source alternative to Postman / Newman. License: MIT.

Karate Framework - Open Source Contract & Schema Testing

Sat, 07 Nov 2026 22:19:40 GMT

Unified open-source test automation framework combining API testing, mocks, performance testing, and UI automation. Free open-source alternative to Postman / RestAssured. License: MIT.

RestAssured - Open Source API Testing & Debugging

Sat, 07 Nov 2026 22:19:40 GMT

Java DSL for easy testing of REST services, bringing the simplicity of dynamic languages into Java. Free open-source alternative to Commercial API Testers. License: Apache-2.0.

Dredd - Open Source Contract & Schema Testing

Sat, 07 Nov 2026 22:19:40 GMT

Language-agnostic command-line tool for validating API description documents against backend implementation. License: MIT.

Schemathesis - Open Source Contract & Schema Testing

Sat, 07 Nov 2026 22:19:40 GMT

Modern API testing tool that finds crashes and bugs using property-based testing and OpenAPI specifications. Free open-source alternative to API Fuzzing Commercial Tools. License: MIT.

Puppeteer - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Google's Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol. License: Apache-2.0.

Selenium - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Industry-standard browser automation framework and ecosystem supporting multiple browsers and programming languages. License: Apache-2.0.

Appium - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Cross-platform automation framework for native, hybrid, and mobile web apps on iOS, Android, and Windows. License: Apache-2.0.

Maestro - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Painless mobile UI automation framework for Android and iOS with declarative YAML test flows. License: Apache-2.0.

Detox - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Gray box end-to-end testing and automation library for React Native mobile applications. License: MIT.

WebdriverIO - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Next-gen browser and mobile automation test framework for Node.js with native WebDriver and CDP support. License: MIT.

Nightwatch.js - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Integrated end-to-end testing framework powered by Node.js and W3C Webdriver API. License: MIT.

Gatling - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

High-performance load testing tool built on Akka and Netty with expressive DSL in Java, Kotlin, and Scala. License: Apache-2.0.

JMeter - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Apache's pure Java desktop application designed to load test functional behavior and measure performance. License: Apache-2.0.

Wrk - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. Free open-source alternative to LoadRunner. License: Apache-2.0.

Hey - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

Tiny and fast command line load generator for web applications, a modern replacement for ApacheBench (ab). License: Apache-2.0.

Drill - Open Source Performance & Load Testing

Sat, 07 Nov 2026 22:19:40 GMT

HTTP load testing tool written in Rust, inspired by Ansible syntax with support for benchmark assertions. License: GPL-3.0.

Checkov - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Static code analysis tool for infrastructure as code (Terraform, CloudFormation, Kubernetes, Dockerfile). Free open-source alternative to Bridgecrew / Prisma Cloud. License: Apache-2.0.

Hadolint - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Smarter Dockerfile linter that helps you build best-practice Docker images by parsing AST rules. Free open-source alternative to Docker Linter Pro. License: GPL-3.0.

Bandit - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Security linter designed to find common security issues in Python code using AST node analysis. License: Apache-2.0.

Brakeman - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Static analysis tool which checks Ruby on Rails applications for security vulnerabilities. License: CC-BY-NC-SA-4.0.

Safety-CLI - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Checks Python dependencies against known security vulnerabilities from CVE databases. License: MIT.

OWASP ZAP - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

The world's most widely used web app scanner, free and open-source automated penetration testing tool. Free open-source alternative to Burp Suite Professional. License: Apache-2.0.

Nuclei - Open Source Security & Vulnerability Scanners

Sat, 07 Nov 2026 22:19:40 GMT

Fast and customizable vulnerability scanner based on simple YAML-based templates from ProjectDiscovery. Free open-source alternative to Acunetix / Nessus Scanner. License: MIT.

Pa11y - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Automated accessibility testing tool that runs via CLI or Node.js to uncover WCAG compliance errors. License: LGPL-3.0.

BackstopJS - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Catch visual regressions in web apps across responsive screen resolutions and DOM interactions. License: MIT.

Pixelmatch - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

The smallest, simplest and fastest JavaScript pixel-level image comparison library with anti-aliasing detection. License: ISC.

Loki - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Visual regression testing for Storybook stories across Chrome and Android with Git diffs. Free open-source alternative to Datadog Logs / Splunk. License: MIT.

Lost-Pixel - Open Source Browser & E2E Testing

Sat, 07 Nov 2026 22:19:40 GMT

Open source visual regression testing engine for Storybook, Next.js, Ladle, and standalone websites. License: MIT.

MockServer - Open Source API Mocking & Sandboxes

Sat, 07 Nov 2026 22:19:40 GMT

Enables easy mocking of any system you integrate with via HTTP or HTTPS with expectations and verifications. License: Apache-2.0.

JSON-Server - Open Source API Mocking & Sandboxes

Sat, 07 Nov 2026 22:19:40 GMT

Get a full fake REST API with zero coding in less than 30 seconds from a single JSON file. License: MIT.

Mimesis - Open Source Test Data Generation

Sat, 07 Nov 2026 22:19:40 GMT

High-performance Python library for generating realistic synthetic data in a variety of locales. License: MIT.

Bogus - Open Source Test Data Generation

Sat, 07 Nov 2026 22:19:40 GMT

A simple and sane fake data generator for .NET languages, ported from Faker.js with fluent syntax. License: MIT.

Testcontainers - Open Source Unit & Integration Testing

Sat, 07 Nov 2026 22:19:40 GMT

Java library that supports JUnit tests, providing lightweight throwaway instances of Docker databases. License: MIT.

Clockshift - Open Source Testing & QA Reliability

Sat, 07 Nov 2026 22:19:40 GMT

Find missing or repeated local clock times in daily and weekly schedules, with CSV export and a weekday filter. Includes a browser UI and a dependency-free Node.js CLI; scheduler execution policy must be checked separately. License: MIT.

OutageFence by Slanta Cause - Open Source Testing & QA Reliability

Sat, 07 Nov 2026 22:19:40 GMT

OutageFence is a free, MIT-licensed local HTTP fault-injection CLI by Slanta Cause that checks whether synthetic sensitive values reach forbidden configured destinations when dependencies fail. It requires positive controls and exercised faults, then emits offline HTML, JSON, Markdown and JUnit... License: MIT — copyright 2026 Slanta Cause..

Oh My Android - Open Source Mobile & Device Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free macOS control panel for the Android Emulator and real phones: dark mode, font scale, RTL, TalkBack, network throttling, GPS mock and a Layout Inspector in dp. Built-in MCP server for AI agents. License: MIT.

web-sec-auditor - Open Source Security & Vulnerability Auditing

Sat, 07 Nov 2026 22:19:40 GMT

Unified DAST, SAST, secret hunter, and SCA vulnerability auditor for web apps and APIs. Emits OASIS SARIF v2.1.0 reports, executive HTML dashboards, and context-aware unified git diff auto-patches. License: MIT.

VibeLocked LeakCheck - Open Source Security & Vulnerability Auditing

Sat, 07 Nov 2026 22:19:40 GMT

Read-only security scan for vibe-coded apps: leaked keys, open data, missing headers. Permanent free scan; Pro adds deploy watching from US$15/mo. License: Proprietary, permanent free scan (no card required).

Open-Meteo - Open Source Weather & Climate

Sat, 07 Nov 2026 22:19:40 GMT

Free weather forecast API for commercial and non-commercial use with hourly forecasts and historical weather data. License: Open Source.

GroqCloud Free Tier - Open Source AI & Machine Learning

Sat, 07 Nov 2026 22:19:40 GMT

Ultra-low latency open-source LLM inference API (Llama 3.3, DeepSeek, Qwen) with a generous free developer tier. License: Open Source.

JSONPlaceholder - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free fake REST API for prototyping, mock posts, comments, todos, and users with zero configuration. License: Open Source.

Hugging Face Serverless Inference - Open Source AI & Machine Learning

Sat, 07 Nov 2026 22:19:40 GMT

Instant serverless API access to 100,000+ open-source AI models across NLP, vision, and speech with free monthly quota. License: Open Source.

ipapi.co - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Real-time IP geolocation and network threat intelligence API returning JSON country, city, timezone, and ASN data. License: Open Source.

CoinGecko Free API - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Live cryptocurrency prices, market cap, historical volume, exchange stats, and ticker data. License: Open Source.

Rest Countries - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Get detailed information about world countries (flags, borders, capitals, currencies, languages) via REST. License: Open Source.

PokeAPI - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

All the Pokémon data you'll ever need in one place, easily accessible through a modern RESTful API. License: Open Source.

Open Library - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Millions of book records, author bios, covers, and ISBN lookups from the Internet Archive. License: Open Source.

ReqRes - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

A hosted REST-API ready to respond to your AJAX requests with simulated realistic user and auth data. License: Open Source.

ipify - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

A simple public IP address API with guaranteed 99.99% uptime and zero setup. License: Open Source.

DummyJSON - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free dummy REST API with products, carts, users, posts, comments, auth, and image placeholder endpoints. License: Open Source.

Nominatim OpenStreetMap - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Open-source search engine for OpenStreetMap data, providing forward and reverse geocoding. License: Open Source.

ExchangeRate-API - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Reliable currency conversion and forex exchange rates for 160+ currencies with a permanent free tier. License: Open Source.

Cat Facts - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Public REST API providing random cat facts, breeds, and trivia with zero authentication required. License: Open Source.

Dog API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Free public REST API providing over 20,000 dog breed photos and random images with zero authentication required. License: Open Source.

Frankfurter - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Free and open-source foreign exchange rates and currency conversion API tracked by the European Central Bank. License: Open Source.

NASA Open APIs - Open Source Science & Astronomy

Sat, 07 Nov 2026 22:19:40 GMT

Access imagery, mars rover photos, near earth asteroids, and astronomical telemetry data directly from NASA. License: Open Source.

Open Food Facts - Open Source Food & Health

Sat, 07 Nov 2026 22:19:40 GMT

Collaborative, open food database with over 3 million products containing barcodes, ingredients, allergens, and nutrition facts. License: Open Source.

Open Brewery DB - Open Source Food & Health

Sat, 07 Nov 2026 22:19:40 GMT

Free public dataset and REST API for breweries, cideries, and brewpubs across the United States and globally. License: Open Source.

Rick and Morty API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Free REST and GraphQL API providing hundreds of characters, episode guides, and location details from Rick and Morty. License: Open Source.

Gutendex - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Fast web API for Project Gutenberg's catalog of 70,000+ free public domain electronic books. License: Open Source.

7Timer! - Open Source Weather & Climate

Sat, 07 Nov 2026 22:19:40 GMT

Completely free meteorological forecasting web service based on NOAA GFS numerical models with zero auth. License: Open Source.

IP-API - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Real-time IP geolocation API returning country, city, ISP, coordinates, and timezone in fast JSON format. License: Open Source.

Dictionary API - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Free open-source English dictionary definitions, parts of speech, phonetics, and audio pronunciations. License: Open Source.

RoboHash - Open Source Media & Images

Sat, 07 Nov 2026 22:19:40 GMT

Generate unique robot, alien, and monster avatar images for any hash, IP address, username, or text string. License: Open Source.

DiceBear - Open Source Media & Images

Sat, 07 Nov 2026 22:19:40 GMT

Open-source avatar library and microservice for generating unique user profile avatars with 20+ design styles. License: Open Source.

Universities List API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Public directory and queryable dataset of over 9,000 accredited universities and domains worldwide. License: Open Source.

Zippopotam.us - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Free postal code and zip code geographic lookup API for 60+ countries worldwide with zero authentication. License: Open Source.

Chuck Norris Jokes API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Curated JSON API providing satirical pop-culture developer jokes and trivia with search and category filters. License: Open Source.

Bored API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

REST API that returns curated activity recommendations when you are bored, filterable by price and participants. License: Open Source.

CountAPI - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free, persistent key-value counter API to track page views, hits, and downloads without creating a database. License: Open Source.

Agify.io - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Predict someone's age from their first name based on international census records and demographic modeling. License: Open Source.

Genderize.io - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Predict gender from first name with international probability scores and database of over 100M profiles. License: Open Source.

Nationalize.io - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Estimate nationality and origin country probabilities from given names using statistical country data. License: Open Source.

RandomUser.me - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free API for generating realistic placeholder user data with photos, names, emails, and address models. License: Open Source.

Httpbin.org - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

HTTP client testing service with endpoints for inspecting headers, status codes, methods, and payloads. License: Open Source.

RequestBin - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Inspect HTTP requests and webhooks with real-time payload logging and debugging. License: Open Source.

Postman Echo - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Echo service to test REST clients, authorization headers, digest auth, and query parameters. License: Open Source.

JSONBin.io - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free cloud storage for JSON data, ideal for prototyping frontend applications with mock backends. License: Open Source.

Mocky.io - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Generate custom HTTP responses with custom bodies, headers, and status codes with zero backend setup. License: Open Source.

Beeceptor - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Create mock API endpoints in 5 seconds to test incoming webhooks, payloads, and simulated responses. License: Open Source.

Binlist - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Public lookup service for bank identification numbers (BIN/IIN) returning card brand, scheme, and country. License: Open Source.

Hacker News Firebase API - Open Source News & Media

Sat, 07 Nov 2026 22:19:40 GMT

Official Hacker News REST API powered by Firebase with real-time top stories, comments, and user profiles. License: Open Source.

Dev.to API - Open Source News & Media

Sat, 07 Nov 2026 22:19:40 GMT

REST API for DEV Community (Forem) accessing articles, tag listings, user feeds, and comments. License: Open Source.

Reddit JSON API - Open Source News & Media

Sat, 07 Nov 2026 22:19:40 GMT

Append .json to almost any public Reddit URL to get structured JSON post data and subreddit feeds. License: Open Source.

Wikipedia REST API - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Wikimedia official REST API providing page summaries, mobile views, image transforms, and search endpoints. License: Open Source.

Wikidata SPARQL API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Query Wikidata's linked open database using SPARQL queries to extract structured facts and entities. License: Open Source.

Archive.org API - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Search and retrieve millions of digitized books, movies, software, and audio files from the Internet Archive. License: Open Source.

Geocode.xyz - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Free batch forward and reverse geocoding API converting addresses to latitude/longitude coordinates. License: Open Source.

Sunrise-Sunset.org API - Open Source Weather & Climate

Sat, 07 Nov 2026 22:19:40 GMT

Free REST API providing sunrise, sunset, day length, and solar noon times for any coordinate. License: Open Source.

USGS Earthquake API - Open Source Science & Astronomy

Sat, 07 Nov 2026 22:19:40 GMT

Real-time global seismic and earthquake event data from the United States Geological Survey in GeoJSON format. License: Open Source.

OpenSky Network API - Open Source Travel & Transit

Sat, 07 Nov 2026 22:19:40 GMT

Live air traffic surveillance data derived from global ADS-B receiver networks tracking flights in real time. License: Open Source.

TVMaze API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

TV show, episode guide, cast, and streaming schedule database accessible with zero authentication. License: Open Source.

The Movie Database (TMDB) API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Community-built movie and TV database with metadata, posters, trailers, and cast biographies. License: Open Source.

AniList GraphQL API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Comprehensive GraphQL API for discovering and tracking anime and manga with rich media relations. License: Open Source.

Jikan API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Open-source REST API for MyAnimeList with caching, schedule endpoints, and character detail lookups. License: Open Source.

Open Trivia DB - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Community-driven database of multiple choice trivia questions across 24 categories and difficulty levels. License: Open Source.

xkcd JSON API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Direct JSON endpoint to fetch xkcd comics, titles, transcripts, and image URLs. License: Open Source.

PoetryDB - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

An internet database of public domain poetry accessible via clean REST endpoints. License: Open Source.

Quotable API - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Open-source REST API for famous historical and literary quotes filterable by author and tag. License: Open Source.

Advice Slip API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Simple API providing random pieces of advice and motivational suggestions with zero auth. License: Open Source.

Cataas (Cat as a service) - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

REST API to fetch random cat pictures and GIFs, with custom text and filter overlays. License: Open Source.

RandomFox API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Simple JSON API returning adorable random fox photographs and image links. License: Open Source.

Shibe.Online - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Public REST API providing curated photos of Shiba Inu dogs, birds, and cats. License: Open Source.

FishWatch API - Open Source Food & Health

Sat, 07 Nov 2026 22:19:40 GMT

NOAA FishWatch database providing nutritional facts and sustainability data for seafood species. License: Open Source.

SpaceX REST API - Open Source Science & Astronomy

Sat, 07 Nov 2026 22:19:40 GMT

Open-source REST and GraphQL API for historical rocket launches, Starlink satellites, and capsule telemetry. License: Open Source.

Launch Library 2 - Open Source Science & Astronomy

Sat, 07 Nov 2026 22:19:40 GMT

Comprehensive rocket launch calendar tracking orbital missions and astronauts worldwide. License: Open Source.

Solar System OpenData API - Open Source Science & Astronomy

Sat, 07 Nov 2026 22:19:40 GMT

Structured database of physical and orbital characteristics for all planets, moons, and asteroids in our solar system. License: Open Source.

QR Code Generator API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free HTTP microservice to generate customizable high-resolution QR codes on the fly in PNG and SVG. License: Open Source.

URLhaus Malware API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Malicious URL feed and threat intelligence database for automated cybersecurity scanning. License: Open Source.

Have I Been Pwned Pwned Passwords - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

K-anonymity search API checking password hashes against billions of compromised breach credentials securely. License: Open Source.

Coinpaprika API - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Cryptocurrency market data API delivering real-time quotes, global volume, and token metadata without keys. License: Open Source.

CryptoCompare API - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Enterprise-grade digital asset prices and OHLCV historical charting data with free developer tier. License: Open Source.

Open-Meteo Air Quality - Open Source Weather & Climate

Sat, 07 Nov 2026 22:19:40 GMT

Hourly particulate matter (PM2.5, PM10), ozone, and European Air Quality Index forecasts with zero auth. License: Open Source.

Open Library Covers API - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Retrieve book cover images and author portraits using ISBN, OCLC, LCCN, or OLID identifiers. License: Open Source.

Meme Generator API - Open Source Media & Images

Sat, 07 Nov 2026 22:19:40 GMT

Returns top 100 popular meme image templates with dimensions and blank background assets. License: Open Source.

JokeAPI - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Clean REST API providing programming, dark, and pun jokes with customizable category filters. License: Open Source.

Deck of Cards API - Open Source Games & Media

Sat, 07 Nov 2026 22:19:40 GMT

Simulate shuffling, dealing, and playing cards from standard 52-card decks with persistent sessions. License: Open Source.

Open Source Licenses API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

GitHub API endpoint returning metadata, permissions, and conditions for popular open source licenses. License: Open Source.

REST Countries v3 - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Detailed world geographic facts, borders, regional groupings, currencies, and languages in JSON. License: Open Source.

Carbon Interface API - Open Source Science & Astronomy

Sat, 07 Nov 2026 22:19:40 GMT

Estimates carbon emissions from flights, electricity consumption, and shipping logistics with free tier. License: Open Source.

Genderize API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Predict gender from first name with probability scores and count statistics. License: Open Source.

Agify API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Predict age from first names based on statistical demographic modeling. License: Open Source.

Nationalize API - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Predict nationality from names returning top country codes and confidence scores. License: Open Source.

Public APIs Index - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Queryable directory of hundreds of free public APIs categorized by topic and authentication requirements. License: Open Source.

ipinfo.io Lite - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Fast IP address geolocation, ASN company lookup, and hostname resolution with generous free tier. License: Open Source.

Big Data Cloud Free IP - Open Source Geocoding & IP

Sat, 07 Nov 2026 22:19:40 GMT

Reverse geocoding and IP client info API without usage limits for client-side web apps. License: Open Source.

Free Dictionary - Open Source Books & Literature

Sat, 07 Nov 2026 22:19:40 GMT

Free developer-friendly English vocabulary API providing word origins, examples, and synonyms. License: Open Source.

Bored API Mirror - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Random activity generator for boredom relief with accessibility, participants, and cost filters. License: Open Source.

Corporate Bullshit Generator - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Random buzzword and corporate jargon phrase generator for humorous placeholders. License: Open Source.

Evil Insult Generator - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Humorous and sharp insults generation API for games and bot development. License: Open Source.

Geek Jokes API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Curated tech jokes, programming puns, and geek culture humor returned as clean JSON. License: Open Source.

Kanye Rest - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Free REST API delivering memorable quotes from Kanye West as JSON with zero setup. License: Open Source.

Tronald Dump API - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Smart archive and quote retriever with meme tags and original source links. License: Open Source.

FoxPics - Open Source Animals & Fun

Sat, 07 Nov 2026 22:19:40 GMT

Curated collection of high-resolution wild fox photos with zero rate limit. License: Open Source.

Court Rules - Open Source Other

Sat, 07 Nov 2026 22:19:40 GMT

Free federal court rules, local rules, judge standing orders and filing deadlines, with a deadline calculator for every district. License: Open Source.

Arcmira: YouTube Transcript Search - Open Source Entertainment & Media

Sat, 07 Nov 2026 22:19:40 GMT

Search indexed YouTube transcripts by topic, with source links and timestamps. Retrieve captions and resolve people, channels and videos. Coverage is partial. A permanent Free tier is available; Premium transcripts and sponsor research use paid plans. License: Open Source.

Caption-Pack API - Open Source AI & Machine Learning

Sat, 07 Nov 2026 22:19:40 GMT

Deterministic social caption and hashtag generator API returning platform-ready JSON. Features a permanent keyless playground endpoint for developers and AI agents. License: Open Source.

Invokely - Open Source Other

Sat, 07 Nov 2026 22:19:40 GMT

Hosted MCP and REST API for official statistics by indicator, place and period. Each value includes a source citation. The free plan has 500 calls a month with no card; an MCP trial allows 25 calls a day per IP without an account. License: Open Source.

CurlShot - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Screenshot API: one GET request renders a URL, HTML, or Markdown to PNG, JPEG, WebP, PDF, or scrolling video (MP4/WebM/GIF), with full-page and element capture, device presets, dark mode, and ad/cookie-banner blocking. Free plan: 100 screenshots/month that resets monthly, no credit card. License: Open Source.

CareJobs.Now Open Healthcare Jobs and Pay Data - Open Source Other

Sat, 07 Nov 2026 22:19:40 GMT

Free, no-key JSON and CSV endpoints providing US healthcare open jobs and posted hourly pay by role and employer. Aggregated daily from 270+ employers' career sites, complete with OpenAPI 3.1 specifications. License: Open Source.

QuelLLM - Open Source AI & Machine Learning

Sat, 07 Nov 2026 22:19:40 GMT

Read-only JSON catalog of self-hostable LLMs and GPU specifications, including model metadata, VRAM estimates and editorial rankings. Provides data for developer tools; does not run model inference. License: Open Source.

unicum.gg - Open Source Entertainment & Media

Sat, 07 Nov 2026 22:19:40 GMT

Free World of Tanks statistics API: player/clan profiles, WN7/WN8/WNX ratings, leaderboards, tank specs, maps, tournaments and server population for EU, NA and Asia. Open source with OpenAPI 3 spec (https://unicum.gg/api/openapi.json) and community MCP server. License: Open Source.

AgentSandboxes - Open Source AI & Machine Learning

Sat, 07 Nov 2026 22:19:40 GMT

Directory of cloud sandbox providers for AI agents. Listings show isolation, cold start, persistence, GPU support and pricing with a cited source per fact. Read-only JSON API, no key needed. License: Open Source.

Agent Wallet Index - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Directory of agent wallets, payment rails, card programs and key-management layers for AI agents. Listings show custody, fees, protocols and spend controls with cited sources. Read-only JSON API, no key needed. License: Open Source.

CreditUnions - Open Source Finance & Crypto

Sat, 07 Nov 2026 22:19:40 GMT

Directory of federally insured US credit unions from the NCUA register. Listings show charter, field of membership, assets and member count. Read-only JSON API, no key needed. License: Open Source.

Bucketlist.nl Dream of the Day - Open Source Entertainment & Media

Sat, 07 Nov 2026 22:19:40 GMT

A public JSON feed of daily travel, leisure and life-experience ideas with images, canonical URLs and source attribution. Developers can use it in activity-discovery interfaces and inspiration widgets; Netherlands/worldwide scope and five documented languages are supported. License: Open Source.

Datacircle - Open Source Development & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Find the best GTM APIs. Benchmarking GTM APIs with published results at datacircle.dev. Base URL https://api.datacircle.dev/v1. License: Open Source.

Supabase - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Open source Firebase alternative providing PostgreSQL, Auth, Instant APIs, Realtime subscriptions, and Storage. Free open-source alternative to Firebase / AWS RDS. License: Open Source.

Neon - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Serverless Postgres with instant branching, bottomless storage, and autoscaling compute to zero. Free open-source alternative to AWS Aurora Serverless. License: Open Source.

Cloudflare Workers - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Deploy serverless code instantly across Cloudflare's global edge network with ultra-low latency. License: Open Source.

Clerk - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Complete user management and authentication suite for React, Next.js, and modern full-stack web applications. License: Open Source.

Resend - Open Source Transactional Email

Sat, 07 Nov 2026 22:19:40 GMT

Developer-first email platform for sending transactional emails using clean React components. License: Open Source.

PocketBase - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Open source backend in 1 file consisting of embedded SQLite database with real-time subscriptions, built-in auth, and admin dashboard. Free open-source alternative to Firebase. License: Open Source.

Appwrite - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Self-hosted backend-as-a-service platform providing developers with core APIs for authentication, databases, storage, and serverless functions. Free open-source alternative to Firebase. License: Open Source.

Fly.io - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Run full-stack apps and databases close to your users globally with lightweight Firecracker microVMs. License: Open Source.

Render - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Unified cloud to build and run web applications, APIs, static sites, and background workers with automated Git deploys. Free open-source alternative to Heroku. License: Open Source.

Koyeb - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Serverless platform to deploy full-stack apps and Docker containers globally with built-in CDN, SSL, and private networking. Free open-source alternative to Heroku / Render Paid. License: Open Source.

Auth.js - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Complete open-source authentication library for Next.js, SvelteKit, Express, and modern frameworks with zero vendor lock-in. License: Open Source.

Better Auth - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Comprehensive TypeScript-first open-source authentication framework supporting multi-factor auth, organizations, and plugins. License: Open Source.

Lucia - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Flexible and lightweight open-source authentication and session handling resource for modern web applications. Free open-source alternative to Auth0. License: Open Source.

SuperTokens - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Open-source alternative to Auth0 and Firebase Auth providing passwordless, social login, session management, and user roles. Free open-source alternative to Auth0 / Clerk. License: Open Source.

Logto - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Modern open-source identity and access management infrastructure with OIDC, OAuth 2.0, and pre-built sign-in UI. Free open-source alternative to Auth0 / Clerk. License: Open Source.

Coolify - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Self-hostable, open-source all-in-one alternative to Heroku, Netlify, and Vercel for applications, databases, and services. Free open-source alternative to Vercel / Heroku. License: Open Source.

Dokku - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Smallest PaaS implementation powered by Docker, allowing Git push-to-deploy on your own single server. Free open-source alternative to Heroku / Vercel. License: Open Source.

CapRover - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Extremely easy-to-use open-source app and database deployment platform with automated SSL and 1-click apps. License: Open Source.

Easypanel - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Proprietary self-hosted control panel for deploying applications and databases with Docker, automatic SSL and a browser interface. License: Open Source.

Turso - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Distributed SQLite database powered by libSQL designed for low-latency queries at the edge. Free open-source alternative to PlanetScale. License: Open Source.

Upstash - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Serverless data platform providing Redis, Apache Kafka, and QStash with per-request pricing and instant scaling. Free open-source alternative to Redis Enterprise / AWS DynamoDB. License: Open Source.

PostHog - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

Open-source product analytics suite combining web analytics, session replays, feature flags, and survey tools. Free open-source alternative to Mixpanel / Segment / Amplitude. License: Open Source.

Umami - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

Privacy-focused, cookie-free open-source web analytics platform with a fast and intuitive dashboard. Free open-source alternative to Google Analytics. License: Open Source.

Directus - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Real-time API and app dashboard layer for any SQL database with granular access control and event automation. License: Open Source.

Strapi - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Open-source headless CMS delivering customizable REST and GraphQL APIs for web and mobile frontends. Free open-source alternative to Contentful / Strapi Cloud. License: Open Source.

MinIO - Open Source Storage & Buckets

Sat, 07 Nov 2026 22:19:40 GMT

High-performance, S3-compatible open-source object storage suite designed for high-density cloud data. Free open-source alternative to AWS S3. License: Open Source.

GlitchTip - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

Open-source, self-hosted error tracking system compatible with Sentry client libraries and SDKs. Free open-source alternative to Datadog / Sentry SaaS. License: Open Source.

Meilisearch - Open Source Search & Discovery

Sat, 07 Nov 2026 22:19:40 GMT

Lightning-fast, typo-tolerant open-source search engine providing instant full-text search as you type. Free open-source alternative to Algolia. License: Open Source.

Typesense - Open Source Search & Discovery

Sat, 07 Nov 2026 22:19:40 GMT

Fast, typo-tolerant open-source search engine designed for delightful developer experience and sub-50ms search. Free open-source alternative to Algolia. License: Open Source.

Qdrant Cloud - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Open-source vector database and similarity search engine for machine learning embeddings and semantic retrieval. Free open-source alternative to Pinecone. License: Open Source.

Railway - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Infrastructure platform where developers build, ship, and scale code without configuring servers. Free open-source alternative to Heroku. License: Open Source.

Oracle Cloud Always Free - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Generous always-free cloud infrastructure: 4 Arm Ampere A1 cores, 24GB RAM, and 200GB block storage. License: Open Source.

Deno Deploy - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Globally distributed system that runs JavaScript, TypeScript, and WebAssembly at the edge with zero cold starts. License: Open Source.

Vercel - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Frontend cloud platform providing seamless Git deployments, edge middleware, and serverless functions. License: Open Source.

Netlify - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Platform for deploying modern web projects with automated Git workflows, serverless functions, and form handling. License: Open Source.

Cloudflare Pages - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Fast, secure, and free Jamstack platform for frontend developers running directly on Cloudflare edge. License: Open Source.

GitHub Pages - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Websites for you and your projects, hosted directly from your GitHub repository with automatic SSL. License: Open Source.

GitLab Pages - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Publish static websites directly from any repository on GitLab with integrated CI/CD pipelines. License: Open Source.

Glitch - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Friendly community and instant web development environment where anyone can build, remix, and host full-stack apps. License: Open Source.

deed.page - Open Source Cloud Hosting & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Static hosting built for AI agents and scripts: one HTTP PUT or the remote MCP server publishes an HTML file or folder to a permanent https://.deed.page URL, with no account or signup step. License: Open Source.

Aiven Free Tier - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Managed cloud data platform offering permanent free tiers for PostgreSQL, MySQL, and OpenSearch. License: Open Source.

MongoDB Atlas - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Fully managed document database service with automated scaling, backups, and built-in security. Free open-source alternative to AWS DocumentDB. License: Open Source.

Redis Cloud - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

High-performance in-memory key-value database managed on AWS, GCP, and Azure. Free open-source alternative to AWS ElastiCache. License: Open Source.

CockroachDB Serverless - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Distributed, multi-region SQL database that scales automatically and ensures serializable ACID consistency. License: Open Source.

TiDB Serverless - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

Distributed, MySQL-compatible Hybrid Transactional/Analytical Processing (HTAP) database with serverless auto-scaling. Free open-source alternative to Google Cloud Spanner. License: Open Source.

Backblaze B2 - Open Source Storage & Buckets

Sat, 07 Nov 2026 22:19:40 GMT

S3-compatible cloud object storage with ultra-low pricing and free bandwidth partnerships with Cloudflare. License: Open Source.

Scaleway Stardust & Object Storage - Open Source Storage & Buckets

Sat, 07 Nov 2026 22:19:40 GMT

European cloud provider offering multi-AZ S3-compatible object storage with generous free allowances. License: Open Source.

Keycloak - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Open source identity and access management solution for modern applications and services, supporting OpenID Connect and SAML. Free open-source alternative to Auth0 / Okta. License: Open Source.

Authentik - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Open-source Identity Provider focused on flexibility and versatility with built-in user directory, MFA, and SSO. License: Open Source.

Authelia - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Open-source authentication and authorization server providing 2-factor authentication and single sign-on for reverse proxies. License: Open Source.

Zitadel - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Open source identity infrastructure with turnkey authentication, audit logs, multi-tenancy, and passkeys. Free open-source alternative to Auth0 / Okta. License: Open Source.

FusionAuth - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Complete customer identity and access management system with fast setup and flexible user management APIs. License: Open Source.

Casdoor - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

UI-first open-source Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI. License: Open Source.

Ory Kratos - Open Source Authentication & Security

Sat, 07 Nov 2026 22:19:40 GMT

Cloud-native user management system and identity provider implementing login, registration, MFA, and social auth. Free open-source alternative to Auth0 / AWS Cognito. License: Open Source.

Portainer Community - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Universal container management platform for Docker, Docker Swarm, and Kubernetes with clean web GUI. Free open-source alternative to Docker Desktop GUI. License: Open Source.

Nginx Proxy Manager - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Expose your web services easily and securely with automatic Let's Encrypt SSL certificates and web administration. Free open-source alternative to Cloudflare Pro / Traefik Enterprise. License: Open Source.

Traefik Community - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

The leading cloud-native application proxy that integrates with your existing cluster and configures itself automatically. Free open-source alternative to NGINX Plus / AWS ALB. License: Open Source.

Caddy Web Server - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Enterprise-ready, open source web server with automatic HTTPS written in pure Go. License: Open Source.

CasaOS - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Simple, personal cloud OS designed for home servers and self-hosting Docker apps with an elegant UI. Free open-source alternative to Docker Desktop / Umbrel. License: Open Source.

Umbrel - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

The ultimate personal home cloud server OS that lets you self-host Bitcoin, AI models, and nextcloud apps with 1 click. License: Open Source.

YunoHost - Open Source Self-Hosted Cloud & PaaS

Sat, 07 Nov 2026 22:19:40 GMT

Operating system aiming to simplify as much as possible the administration of a self-hosted server. License: Open Source.

RabbitMQ - Open Source Messaging & Queues

Sat, 07 Nov 2026 22:19:40 GMT

Most widely deployed open source message broker supporting AMQP, MQTT, and STOMP protocols. License: Open Source.

Eclipse Mosquitto - Open Source Messaging & Queues

Sat, 07 Nov 2026 22:19:40 GMT

Lightweight open-source message broker that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1. License: Open Source.

EMQX - Open Source Messaging & Queues

Sat, 07 Nov 2026 22:19:40 GMT

The world's most scalable open-source MQTT platform for connected IoT, automotive, and industrial devices. License: Open Source.

Brevo (formerly Sendinblue) - Open Source Transactional Email

Sat, 07 Nov 2026 22:19:40 GMT

Email marketing and transactional messaging platform with reliable delivery and webhook tracking. License: Open Source.

SendGrid Free Tier - Open Source Transactional Email

Sat, 07 Nov 2026 22:19:40 GMT

Cloud-based email infrastructure platform with robust delivery APIs, template engines, and analytics. License: Open Source.

Mailgun Free Foundation - Open Source Transactional Email

Sat, 07 Nov 2026 22:19:40 GMT

Developer-first email delivery platform offering inbound routing, SPF/DKIM verification, and logs. License: Open Source.

Plausible Analytics Self-Hosted - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

Lightweight and open-source Google Analytics alternative with zero cookies and full GDPR compliance. Free open-source alternative to Google Analytics. License: Open Source.

Grafana OSS - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

The open and composable observability and data visualization platform with rich dashboards and alerts. License: Open Source.

Prometheus - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

An open-source monitoring system with a dimensional data model, flexible query language, and alerting. Free open-source alternative to Datadog Metrics. License: Open Source.

Uptime Kuma - Open Source Observability & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

Self-hosted monitoring tool like Uptime Robot with modern dashboard and notifications across 90+ services. Free open-source alternative to Datadog / Better Uptime. License: Open Source.

Dragonfly - Open Source Databases & BaaS

Sat, 07 Nov 2026 22:19:40 GMT

A modern, highly performant replacement for Redis and Memcached with 25x throughput and multi-threaded core. License: Open Source.

JetBrains Free Open Source License - Open Source Developer Tools & IDEs

Sat, 07 Nov 2026 22:19:40 GMT

Free All Products Pack subscription (IntelliJ IDEA Ultimate, WebStorm, PyCharm, CLion, GoLand) for open-source maintainers. License: Open Source.

Sentry for Open Source - Open Source Observability, CI & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free Sentry Business plan for qualifying open-source maintainers to monitor application health, errors, and real-time performance. Free open-source alternative to Datadog APM / Bugsnag. License: Open Source.

GitHub for Startups - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Up to 20 seats of GitHub Enterprise free for 12 months, including GitHub Actions minutes, Advanced Security, and Copilot. License: Open Source.

AWS Activate Founders - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Free AWS promotional cloud credits, technical support, and architectural guidance for early-stage builders and founders. License: Open Source.

Google Cloud for Startups - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Access up to $2,000 in GCP credits in year one, covering Compute Engine, Cloud Run, Vertex AI, and BigQuery. License: Open Source.

DigitalOcean Open Source Sponsorship - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Monthly infrastructure credits to host open-source websites, build runners, test nodes, and documentation servers. License: Open Source.

Postman Open Source Sponsorship - Open Source Developer Tools & IDEs

Sat, 07 Nov 2026 22:19:40 GMT

Free Postman Team subscription for open-source teams maintaining public APIs and workspaces. License: Open Source.

Datadog for Open Source - Open Source Observability, CI & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free Datadog Pro infrastructure monitoring, log management, and APM for qualifying open-source projects. License: Open Source.

BrowserStack Open Source - Open Source Observability, CI & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free BrowserStack testing license for open-source maintainers across 3,000+ real desktop and mobile browsers. License: Open Source.

Docker Open Source Community - Open Source Observability, CI & Testing

Sat, 07 Nov 2026 22:19:40 GMT

Free Docker Hub Team account with unlimited image pulls, public repositories, and automated security vulnerability scans. License: Open Source.

JetBrains Mono - Open Source Developer Tools & IDEs

Sat, 07 Nov 2026 22:19:40 GMT

Free monospaced coding font with toggleable OpenType ligatures; a no-ligature variant is also available. License: Open Source.

Fira Code - Open Source Developer Tools & IDEs

Sat, 07 Nov 2026 22:19:40 GMT

Free monospaced font with programming ligatures; the ligatures change how code is rendered, not its underlying characters. License: Open Source.

Cascadia Code - Open Source Developer Tools & IDEs

Sat, 07 Nov 2026 22:19:40 GMT

Free monospaced coding font with programming ligatures; Cascadia Mono is the variant without ligatures. License: Open Source.

GitHub Student Developer Pack - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Free developer tools, cloud hosting credits (DigitalOcean, Azure), domain names, and GitHub Pro for verified students. License: Open Source.

Microsoft for Startups Founders Hub - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Up to $150,000 in Azure cloud credits, free access to OpenAI models, GitHub Enterprise, and LinkedIn tools for tech startups. License: Open Source.

Cloudflare for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free enterprise-grade CDN, DDoS protection, edge workers, and SSL certificate management for open-source initiatives. License: Open Source.

1Password for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free 1Password Teams accounts for open-source project maintainers to securely share secrets and API tokens. License: Open Source.

Netlify for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free team plan with increased build minutes, bandwidth, and preview deployments for eligible open-source projects. Free open-source alternative to AWS Amplify. License: Open Source.

Vercel for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free Pro sponsorship with elevated edge compute limits and team features for popular open-source projects. Free open-source alternative to AWS Amplify. License: Open Source.

GitLab for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free top-tier GitLab Ultimate with 50,000 CI build minutes per month and security scanning for public open-source projects. License: Open Source.

Atlassian Open Source Project Licensing - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free cloud subscriptions for Jira Software, Confluence, and Jira Service Management for qualifying open source initiatives. License: Open Source.

JetBrains Student Pack - Open Source Student & Education Packs

Sat, 07 Nov 2026 22:19:40 GMT

Free individual annual subscription to all JetBrains IDEs (IntelliJ IDEA, WebStorm, PyCharm, CLion, Rider) for students. License: Open Source.

Notion for Education - Open Source Student & Education Packs

Sat, 07 Nov 2026 22:19:40 GMT

Free Personal Pro plan for students and educators with unlimited file uploads, 30-day page history, and collaborative workspaces. License: Open Source.

Twilio Startups Program - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Up to $500 in Twilio communication API credits, sendgrid volume, and technical mentorship for early-stage software companies. License: Open Source.

Figma for Education - Open Source Student & Education Packs

Sat, 07 Nov 2026 22:19:40 GMT

Free Figma and FigJam Professional tier for students, teachers, and accredited design classrooms. License: Open Source.

MongoDB for Startups - Open Source Cloud Credits & Infrastructure

Sat, 07 Nov 2026 22:19:40 GMT

Up to $5,000 in MongoDB Atlas cloud database credits, dedicated technical advisory, and co-marketing opportunities. License: Open Source.

Codecov for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free unlimited code coverage reports and PR quality checks for public GitHub and GitLab repositories. License: Open Source.

Crowdin for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free localization and translation management platform for open-source software projects and global documentation. License: Open Source.

Termius for Students - Open Source Student & Education Packs

Sat, 07 Nov 2026 22:19:40 GMT

Free Termius Pro SSH client for students with encrypted configuration sync, port forwarding, and SFTP browser. License: Open Source.

Snyk for Open Source - Open Source Open Source Sponsorship

Sat, 07 Nov 2026 22:19:40 GMT

Free unlimited automated security scans for open source repositories, finding known vulnerabilities in code and packages. License: Open Source.

AstroWind Starter - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Production-ready, highly customizable Astro template styled with Tailwind CSS, SEO-optimized, and built for speed. License: MIT.

PocketBase 1-Click Backend - Open Source BaaS & Databases

Sat, 07 Nov 2026 22:19:40 GMT

Instant open-source backend in 1 binary file with embedded SQLite database, real-time subscriptions, and auth rules. Free open-source alternative to Firebase. License: MIT.

Full-Stack FastAPI Template - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Robust full-stack starter featuring FastAPI, PostgreSQL, Docker Compose, Celery, and React frontend with JWT authentication. Free open-source alternative to SaaS Boilerplate Paid. License: MIT.

Stirling-PDF Ultimate Toolbox - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Full-featured, privacy-first PDF manipulation suite to merge, split, OCR, redact, and sign PDFs with zero cloud tracking. Free open-source alternative to Adobe Acrobat DC ($20/mo). License: GPL-3.0.

Go Clean Architecture API - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Clean Architecture template for Go RESTful services adhering to Uncle Bob's Clean Architecture principles. License: MIT.

Directus Instant Data Engine - Open Source BaaS & Databases

Sat, 07 Nov 2026 22:19:40 GMT

Turn any SQL database into an instant real-time REST and GraphQL API engine with an intuitive no-code admin panel. License: BSL-1.1 / Free Tier.

WXT Extension Framework - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Next-gen framework for building cross-browser web extensions with Manifest V3, TypeScript, and multi-browser support. License: MIT.

Remix Indie Stack - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Production-ready Remix stack with SQLite database, Prisma ORM, user auth, Fly.io deployment, and end-to-end testing. License: MIT.

Create T3 App - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Interactive CLI to build full-stack, type-safe Next.js applications with Prisma, Tailwind CSS, and tRPC. License: MIT.

Shadcn Taxonomy - Open Source SaaS & Dashboard Starters

Sat, 07 Nov 2026 22:19:40 GMT

Open-source Next.js application built with shadcn/ui components, NextAuth, Stripe, and PostgreSQL. Free open-source alternative to Tailwind UI ($299). License: MIT.

Next-Forge - Open Source SaaS & Dashboard Starters

Sat, 07 Nov 2026 22:19:40 GMT

Production-grade starter kit for Next.js applications featuring Turborepo, Stripe billing, Clerk auth, and Prisma. Free open-source alternative to ShipFast ($199). License: MIT.

Bulletproof React - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Opinionated, production-ready architecture guide and boilerplate for large-scale React enterprise applications. License: MIT.

FastAPI Full Stack Template - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Full-stack modern web application template using FastAPI, React, SQLModel, PostgreSQL, and Docker Compose. Free open-source alternative to SaaS Boilerplate Paid. License: MIT.

Astro Paper - Open Source Static Site & Documentation

Sat, 07 Nov 2026 22:19:40 GMT

Minimal, responsive, accessible, and SEO-friendly Astro blog template with fuzzy search and dark mode. License: MIT.

Refine - Open Source SaaS & Dashboard Starters

Sat, 07 Nov 2026 22:19:40 GMT

Open-source React-based framework for rapid development of data-intensive web applications, admin panels, and dashboards. Free open-source alternative to Retool Enterprise. License: MIT.

Medusa - Open Source SaaS & Dashboard Starters

Sat, 07 Nov 2026 22:19:40 GMT

Modular, open-source commerce engine and Shopify alternative built with Node.js and customizable modules. Free open-source alternative to Shopify Plus ($2000/mo). License: MIT.

Next.js Enterprise Boilerplate - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Enterprise-grade Next.js boilerplate featuring Tailwind CSS, Radix UI, TypeScript, Jest, and Vitest. License: MIT.

SaaS Boilerplate by BoxyHQ - Open Source SaaS & Dashboard Starters

Sat, 07 Nov 2026 22:19:40 GMT

Open-source enterprise SaaS template with Next.js, Tailwind CSS, SAML SSO, Directory Sync, and multi-tenancy. Free open-source alternative to ShipFast ($199). License: Apache-2.0.

Turborepo Starter - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

High-performance monorepo starter kit for JavaScript and TypeScript with remote caching and parallel pipelines. License: MIT.

Payload CMS Starter - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

The modern headless CMS and application framework built directly inside Next.js with TypeScript and SQLite/Postgres. Free open-source alternative to Contentful / Sanity Pro. License: MIT.

Nuxt 3 Starter - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Official template for creating full-stack Vue 3 and Nuxt applications with hybrid rendering and nitro engine. License: MIT.

Vitesse - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Opinionated Vite starter template with file-based routing, auto-imported components, UnoCSS, and dark mode. Free open-source alternative to Vite Commercial Templates. License: MIT.

Vitesse WebExt - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Cross-browser web extension starter template powered by Vite with Manifest V3 and Vue components. License: MIT.

Expo Starter Kit - Open Source Mobile & Cross-Platform

Sat, 07 Nov 2026 22:19:40 GMT

Universal React Native application template running across iOS, Android, and web with file-based routing. License: MIT.

Tauri App Starter - Open Source Mobile & Cross-Platform

Sat, 07 Nov 2026 22:19:40 GMT

Build tiny, blazingly fast binaries for all major desktop and mobile platforms using web frontend and Rust backend. Free open-source alternative to Electron Pro. License: Apache-2.0 / MIT.

Electron React Boilerplate - Open Source Mobile & Cross-Platform

Sat, 07 Nov 2026 22:19:40 GMT

Scalable desktop application template using Electron, React, TypeScript, and Webpack with hot reload. License: MIT.

Flutter Starter Kit - Open Source Mobile & Cross-Platform

Sat, 07 Nov 2026 22:19:40 GMT

Official multi-platform starter templates from Google Flutter covering state management and Material 3. License: BSD-3-Clause.

NestJS Starter - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Progressive Node.js starter template for building efficient, reliable, and scalable enterprise server applications. License: MIT.

FastAPI Clean Architecture - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Clean architecture boilerplate for FastAPI apps with asynchronous database sessions and dependency injection. License: MIT.

Django Boilerplate (Wemake) - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Bleeding edge, secure, and production-ready Django template with strict linting, Docker, and Celery support. License: MIT.

Go Clean Architecture Template - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Clean Architecture template for Golang services with PostgreSQL, Docker Compose, and Swagger docs. License: MIT.

Rust Axum Starter - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Ergonomic and modular web framework built with Tokio, Tower, and Hyper for blazing fast microservices. License: MIT.

Spring Boot Initializr Template - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Modern enterprise backend boilerplate with embedded Tomcat, Spring Data JPA, and actuator monitoring. License: Apache-2.0.

AdonisJS Starter - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Fully featured Node.js web framework with built-in ORM, auth, routing, and template engine, Laravel-like feel. License: MIT.

Vercel AI SDK Starter - Open Source AI & Full-Stack Starters

Sat, 07 Nov 2026 22:19:40 GMT

Full-featured, hackable Next.js AI chatbot built by Vercel using the AI SDK, Shadcn UI, and Neon Postgres. License: MIT.

LangChain Next.js Template - Open Source AI & Full-Stack Starters

Sat, 07 Nov 2026 22:19:40 GMT

Starter template for building full-stack LangChain applications with Next.js App Router and streaming responses. License: MIT.

Streamlit AI Dashboard Starter - Open Source AI & Full-Stack Starters

Sat, 07 Nov 2026 22:19:40 GMT

Turn Python data scripts into shareable web applications in minutes with built-in charting and interactive widgets. License: Apache-2.0.

Hono Starter - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Fast, lightweight, web-standards based web framework for Cloudflare Workers, Fastly, Deno, Bun, and Node.js. License: MIT.

Elysia Starter - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Ergonomic TypeScript web framework for Bun with end-to-end type safety and TypeBox validation. License: MIT.

Fastify Starter - Open Source Backend & Microservices

Sat, 07 Nov 2026 22:19:40 GMT

Fast and low overhead web framework for Node.js with built-in schema-based JSON serialization. License: MIT.

Astro Blog Starter - Open Source Static Site & Documentation

Sat, 07 Nov 2026 22:19:40 GMT

Content-driven website template with island architecture, zero JavaScript by default, and Markdown/MDX. License: MIT.

Reflex Full-Stack Starter - Open Source Full-Stack Web Starter

Sat, 07 Nov 2026 22:19:40 GMT

Pure Python full-stack reactive web application starter. Builds interactive UIs with FastAPI backend and React frontend with zero JavaScript required. License: Apache-2.0.

Zed - Open Source Developer Utilities & CLI

Sat, 07 Nov 2026 22:19:40 GMT

High-performance, multiplayer code editor written in Rust with built-in language intelligence and AI. Free open-source alternative to Cursor / Sublime Text. License: Open Source.

Biome - Open Source Developer Utilities & CLI

Sat, 07 Nov 2026 22:19:40 GMT

Fast formatter and linter for JavaScript, TypeScript, JSX, and JSON that aims to replace Prettier and ESLint. License: Open Source.

Nushell - Open Source Developer Utilities & CLI

Sat, 07 Nov 2026 22:19:40 GMT

A modern shell powered by a structured data pipeline that treats output as typed tables rather than text. Free open-source alternative to PowerShell / Zsh. License: Open Source.

Infisical - Open Source Security & Identity

Sat, 07 Nov 2026 22:19:40 GMT

Open-source secret management platform to sync configuration and secrets across infrastructure, CI/CD, and teams. License: Open Source.

ast-grep - Open Source Developer Utilities & CLI

Sat, 07 Nov 2026 22:19:40 GMT

Fast and polyglot code search, linting, and rewrite tool using abstract syntax tree pattern matching. License: Open Source.

Cerbos - Open Source Security & Identity

Sat, 07 Nov 2026 22:19:40 GMT

Scalable, open-source authorization policy engine for cloud applications and microservices. License: Open Source.

Infracost - Open Source DevOps & Cloud Tools

Sat, 07 Nov 2026 22:19:40 GMT

Cloud cost estimates for Terraform in pull requests before deployment. License: Open Source.

WezTerm - Open Source Developer Utilities & CLI

Sat, 07 Nov 2026 22:19:40 GMT

GPU-accelerated cross-platform terminal emulator and multiplexer implemented in Rust. Free open-source alternative to iTerm2 / Warp Pro. License: Open Source.

Casbin - Open Source Security & Identity

Sat, 07 Nov 2026 22:19:40 GMT

An authorization library that supports access control models like ACL, RBAC, ABAC in Go and other languages. License: Open Source.

Open Source Ideas - Open Source Open Source Discovery

Sat, 07 Nov 2026 22:19:40 GMT

Community brainstorming and collaboration hub where developers propose, discuss, and build open-source projects. License: Open Source.

Up-For-Grabs - Open Source Open Source Discovery

Sat, 07 Nov 2026 22:19:40 GMT

Community-curated platform highlighting open-source projects with starter tasks to help new contributors dive in. License: Open Source.

freeCodeCamp - Open Source Community & Education

Sat, 07 Nov 2026 22:19:40 GMT

The freeCodeCamp.org open source codebase and curriculum helping millions learn to code globally. License: Open Source.

Excalidraw - Open Source Productivity & Design

Sat, 07 Nov 2026 22:19:40 GMT

Virtual whiteboard for sketching hand-drawn like diagrams with end-to-end encryption. License: Open Source.

Cal.com - Open Source Open-Source SaaS & Web Apps

Sat, 07 Nov 2026 22:19:40 GMT

Scheduling infrastructure for everyone, the open-source Calendly alternative. License: Open Source.

Documenso - Open Source Open-Source SaaS & Web Apps

Sat, 07 Nov 2026 22:19:40 GMT

The open source DocuSign alternative: secure, digital document signing platform. License: Open Source.

Twenty - Open Source Open-Source SaaS & Web Apps

Sat, 07 Nov 2026 22:19:40 GMT

Building a modern, open-source alternative to Salesforce with clean UI and GraphQL APIs. Free open-source alternative to Salesforce / HubSpot CRM. License: Open Source.

Ghost - Open Source Open-Source SaaS & Web Apps

Sat, 07 Nov 2026 22:19:40 GMT

Turn your audience into a business: open-source modern publishing and membership platform. License: Open Source.

Chatwoot - Open Source Open-Source SaaS & Web Apps

Sat, 07 Nov 2026 22:19:40 GMT

Open-source customer engagement suite, alternative to Intercom and Zendesk. License: Open Source.

AppFlowy - Open Source Productivity & Notes

Sat, 07 Nov 2026 22:19:40 GMT

Open source Notion alternative built with Flutter and Rust for privacy and offline-first workflows. License: Open Source.

Affine - Open Source Productivity & Notes

Sat, 07 Nov 2026 22:19:40 GMT

Next-gen collaborative knowledge base for tasks, whiteboards, and multi-modal documents. License: Open Source.

Dub.co - Open Source Marketing & Analytics

Sat, 07 Nov 2026 22:19:40 GMT

Open-source link management infrastructure for modern marketing teams with custom domains and analytics. License: Open Source.