Mac GitHub Repositories (2026) · Open Source Tools

A compact lunar calendar for your macOS menu bar.

Show "Release Note" on SwiftUI [ AI Assistant available below ]

Candela protects your displays from OLED burn-in and wear: panel health history, a checkup for defects, and the controls macOS leaves out for external monitors (brightness, volume, contrast, custom resolutions, HiDPI scaling). Free and open source.

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

A native, lightweight macOS markdown editor with inline live preview

🍅 A simple, native macOS menubar Pomodoro app

A fast, native scrollable-tiling window manager for macOS, inspired by Niri.

📝 Glyph is a private desktop workspace for notes, documents, and ideas, with Markdown editing and built-in AI tools.

A native and modern macOS menu bar app to monitor and control your Pi-hole instances

AndroidFileSync: A free, native macOS app to transfer files between your Mac and Android phone — over USB or WiFi.

Sweet window management for macOS

Pear 🍐 is extension for music player

A cli tool to browse and play anime

Approval Tests implementation in NodeJS

A fast and simple image viewer / editor for many operating systems

An app and guide to easily configure Windows, Linux, MacOS, Google TV, Stremio, Home Assistant and more (including WSL2, GPU drivers & development tools). Improve your UX & productivity.

Universal music theory library for iOS, iPadOS, macOS, tvOS and watchOS in Swift

File sharing program using DC and ADC protocols

macOS app for managing Munki repositories

DSL Framework consisting of a DSL Engine and a Data-Binding Library used in Glimmer DSL for SWT (JRuby Desktop Development GUI Framework), Glimmer DSL for Opal (Pure Ruby Web GUI), Glimmer DSL for LibUI (Prerequisite-Free Ruby Desktop Development GUI Library), Glimmer DSL for Tk (Ruby Tk Desktop Development GUI Library), Glimmer DSL for GTK (Ruby-GNOME Desktop Development GUI Library), Glimmer DSL for XML (& HTML), and Glimmer DSL for CSS