Best Dev Tools GitHub Repositories

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

A simple zero-config tool to make locally trusted development certificates with any names you'd like.

Complete API layer for private AI applications on local models: RAG, skills, tools, MCP, text-to-sql, and more. Works with any OpenAI-compatible inference server.

A tool for exploring each layer in a docker image

A tool for creating and running Linux containers using lightweight virtual machines on a Mac. It is written in Swift, and optimized for Apple silicon.

Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install.

GitHub’s official command line tool

A modern file manager that helps users organize their files and folders.

💥 Blazing fast terminal file manager written in Rust, based on async I/O.

the runtime your coding agents live on

API Documentation Browser

Lightning-fast and Powerful Code Editor written in Rust

📨 The ultimate agentic social media scheduling tool 🤖

dev tools, env vars, task runner

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

🍬A set of tools that keep Java sweet.

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.