Productivity GitHub Repositories (2026) · Open Source Tools

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

A free, open-source Windows desktop organizer with native-feeling WinUI 3 widgets.

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Virtual whiteboard for sketching hand-drawn like diagrams

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

AI conversations that actually remember. Never re-explain your project to your AI again. Join our Discord: https://discord.gg/tyvKNccgqN

A powerful browser extension that supercharges DeepSeek Chat with custom tooling, persistent memory, and seamless project scaffolding. Generate and download files, run Python in-browser, create PowerPoint and Excel documents, build multi-file projects as ZIP archives, and manage custom skills and characters.

🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.

Your computers, working as one. Share keyboard, mouse, trackpad, clipboard, drag and drop and audio across Macs and PCs.

Your tasks, your server. An open-source, local-first task manager you can host yourself. Everything you expect from a commercial task app, without the subscription or the lock-in.

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

Window management made elegant.

The automatic work journal/time tracker. Privately turns your screen into a timeline of what you actually accomplished. Open-source and local-first.

Finish What You Start — Context engineering for Claude Code. Sessions last 20+ exchanges instead of crashing at 7.

Kition brings Markdown, DataTable, WhiteBoard, a tool-using AI agent, browser research, and visual workflows into one desktop workspace.

A native, open-source macOS all-in-one productivity app built in Swift, designed for deep focus and visual clarity.

Powerful macOS menu bar customization tool

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.

The mouse and trackpad utility for Mac.

An Obsidian plugin that embeds Claude Code, Codex and other agents as an AI collaborator in your vault.