Open Source Developer Tools
Discover 447 open source Developer Tools repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Developer Tools projects here are most often combined with Python, AI Agents and CLI. Last updated October 4, 2026.
447 repositories · updated October 4, 2026
apm: Manage Dependencies for AI Agent Setups
APM manages AI-agent instructions, skills, prompts, plugins, and MCP servers through a project manifest and lockfile. It helps teams reproduce agent configurations across supported coding clients and apply installation security and policy controls.
clawless: Run AI Agents in a Browser Sandbox
ClawLess runs Claw AI agents in a browser-based Node.js environment powered by WebContainers, without a backend server. It combines an editor, terminal, policy controls, and audit logging for teams building or evaluating sandboxed agent workflows.
oh-my-claudecode: Orchestrate Claude Code Agents
oh-my-claudecode adds multi-agent orchestration to Claude Code, coordinating parallel work and verification through in-session skills or terminal-launched workers. It suits developers who want structured delegation and can manage the extra setup and provider requirements.
claude-mem: Preserve Agent Context Across Sessions
Claude-Mem captures and summarizes agent activity, then retrieves relevant project history in later sessions. It is for developers who want coding agents to retain useful context instead of starting from scratch each time.
Podroid: Run Linux Containers and Desktop Apps on Android
Podroid runs Alpine Linux in a rootless virtual machine on Android, enabling container workloads and Linux desktop apps without replacing Android or requiring root. It is aimed at developers and Linux enthusiasts who want a portable ARM64 environment on their phone.
graphify: Turn Codebases into Queryable Knowledge Graphs
Graphify builds a queryable knowledge graph from code, documentation, schemas, and other project files. It helps developers and AI coding assistants explore relationships, trace paths, and understand codebases without relying on a vector store.
Deck: Manage Clipboard History on macOS
Deck is a native clipboard manager for macOS that keeps a searchable history on your device. It suits people who want keyboard-driven clipboard workflows, automation, and privacy controls without relying on cloud storage.
task: Automate Builds and Development Tasks
Task is a cross-platform Go build tool inspired by Make. It helps developers define and run repeatable project tasks through a modern task runner.
freebuff: Use AI Coding Agents Across Your Workflow
Freebuff is a TypeScript project for accessing AI agents across the terminal, desktop, browser, and GitHub repositories. It combines specialized agents with a catalog of models, with free access supported by text ads and subject to regional and capacity limits.
stunner: Check Your NAT Type with STUN
Stunner is a Go command-line tool that compares STUN responses from multiple servers to estimate your NAT behavior. Use it to assess how readily devices behind your network may connect through hole punching.
pytype: Analyze Python Types Statically
pytype is a static type analyzer for Python that uses type inference alongside annotations to find type problems without running code. Its final supported Python version is 3.12, so it is best suited to existing projects that target that version.
cascadia-code: A Monospaced Font for Coding
Cascadia Code is a monospaced coding font designed for Windows Terminal and other development environments. It offers ligatures, multiple variants, and broad font-format support for developers who want customizable code typography.