Top PKI GitHub Repositories & Tools (2026)

Free and open-source macOS menu bar toolkit.

A floating macOS monitor for how much Claude Code, Codex, Antigravity, OpenCode Go and Kimi Code you have left

A menu bar system monitor for macOS. CPU, memory, GPU, network, disk, battery and thermals at 0.046% CPU.

Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.

Status Trio — a native macOS app that combines Wi-Fi, battery, and volume into one compact, configurable status icon for the menu bar, the Dock, or both, inspired by the iPhone Duo combined status bar.

🌇 🌃 Create dynamic wallpapers for macOS.

Free and open source database client built natively for developers

👋 Your face is the password. Face unlock for your Mac's lock screen, plus App Lock for chosen apps. 100% on-device, built with Swift and Core ML.

Xterm/VT100 Terminal emulator library in Swift with AppKit, UIKit, WebAssembly, Web, headless frontends.

A tiny macOS app that turns Caps Lock into a physical keep-awake switch for closed-lid MacBook work.

Turn the MacBook notch into a living system surface.

The Dogtag Certificate System is an enterprise-class Certificate Authority (CA) which supports all aspects of certificate lifecycle management, including key archival, OCSP and smartcard management.

The best (?) date range picker control for OS X.

A native macOS Discord client written in Swift and SwiftUI.

Free, open-source menu bar toolkit for macOS. Eighteen tools in one panel: Pomodoro timer, time tracker, keep-awake, system monitor, clipboard history, file converter, window manager, torrents, archives, OCR, screenshots, draw on screen, color picker, VPN switcher, app launcher, uninstaller, keyboard lock, speed test. SwiftUI, no telemetry, MIT.

A retro Macintosh-inspired system monitor for macOS.

Clipboard history, screenshot-to-clipboard, screen OCR, window snapping and trackpad volume — the Windows features macOS never shipped. A dependency-free Swift menu-bar app for Windows-to-Mac switchers.

Open-source native macOS menu bar app that frosts your screen when you look away with AirPods.

Native open-source system monitor for macOS — Apple Silicon, SMC sensors, processes, disks, network and system health.

A native Swift editor for Code and Markdown across macOS, iPadOS, iOS, and visionOS.