macOS App GitHub Repositories (2026) · Open Source Tools

A macOS GUI app for designing and building custom DMG disk images

macOS menu-bar app for fine-grained VPN routing: bypass the VPN for chosen domains/services, force others through it, or (Custom mode) route each domain/subnet out a specific egress — direct, a specific VPN, an HTTP/SOCKS5 proxy, or a Tailscale peer. Includes a vpnb CLI.

A lightweight, private system monitor that lives in your macOS menu bar. CPU, memory, battery, network, disk, GPU, temperature, fans. Zero telemetry.

See what keeps using your disk.

Free, open-source clipboard manager for macOS. Native card-style UI with Pinboards, Quick Look, and 100% local storage.

A small, quiet system monitor for Apple Silicon Macs: one floating glass panel that works at any size.

Yumi the compagnon AI in your notch that asks before it acts. Reminders, calendar events, notes: shown exactly before, checked after. Native macOS, no account, no telemetry

Hints, grids and vim keys for your whole desktop. Built for macOS, linux and windows, natively.

Native open-source network diagnostics app for macOS with built-in Wi-Fi analysis.

Kiwix JS Offline Browser implemented as a Progressive Web App (PWA), and packaged as Electron, NWJS and UWP apps for Windows, Linux and macOS..

Free, open-source Mac cleaner. Clear junk, uninstall apps completely, and see what's using your disk.

Unofficial native macOS app for Herdr: read, follow and reply to your coding agents (Claude Code, Codex, Cursor, pi) in one place.

GameStream client for PCs (Windows, Mac, Linux, and Steam Link)

Native macOS, Windows and Linux GUI for the beads git-backed issue tracker. Built with Tauri, Next.js, and React.

Turn the edges of your MacBook trackpad into volume and brightness sliders. Native macOS menu bar app with a Liquid Glass HUD, haptics and a media strip.

A high-performance, local-first Markdown editor and general-purpose text editor for Windows, macOS, and Linux, with WYSIWYG and Markdown source editing.

A curated collection of open-source macOS applications built with Swift

VirusTotal macOS client built with SwiftUI

Handle files easily across cloud storage providers and your local hard drive

Fix a wrong keyboard layout on macOS — Latin, Cyrillic and Hebrew (RTL) — by a tap or automatically, locally and over Screen Sharing. Menu-bar app, clipboard-free, free & open-source.