Explore open-source tools in Developer Tools.

Automate routine engineering tasks into review-ready pull requests

Harness native operator system for AI agents and agentic optimization

Native macOS terminal designed for agent-driven development

Cross platform code editor inspired by Notepad plus plus

All in one desktop assistant for Claude Code and Gemini CLI

Lightweight and private local AI launcher for the macOS menu bar

Fast native diff viewer for reviewing Git changes

Open source local-first AI design engine for rapid prototyping

Generate professional README files and AI-powered commit messages.

Manage and monitor local dev servers from your Mac menu bar

Generate diagrams and charts from text using Markdown-like syntax

Organize and search your GitHub stars with AI power

Track and monitor your AI coding agent usage and subscription costs.

Reduce LLM token usage by 60-90% with a high performance CLI proxy

Customizable cross-platform graphical system monitor for terminal

Visualize AWS billing costs with interactive treemaps

Open source autonomous coding agent for IDE, CLI, and SDK

Persistent terminal multiplexer built on libghostty and Zig

A fast terminal emulator with GPU acceleration and native UI

Handy online tool collection for developers and IT professionals

Render and discover markdown files in the terminal with style

Lightweight Rust headless browser for AI agents and web scraping.

A powerful GPU accelerated terminal emulator and multiplexer

Find iPhone and iPad UDIDs in Safari for iOS beta testing