Free, open-source Sidecar/Duet alternative — use your iPhone or iPad as a true second monitor for your Mac over USB or WiFi. Low latency H.264, Retina HiDPI, touch input.
macOS multi-mouse & multi-external display assignment for complex screen and peripheral workstations.
React Native view renderer in External Display
Open-source DeX-style desktop environment for Android 15+, with native windows, wired and wireless displays, a taskbar, widgets, and platform drivers.
Quick and simple tray icon menu for changing the monitor layout. A great companion to ARandR tool.
SpriteKit and external-display
A tool for control monitor from the command line on M2 macs.
Native macOS menu bar toolbox for keyboard and trackpad cleaning lock, privacy cover, screen testing, window management, Finder tools, display standby, battery and network checks.
Turn iPhone, iPad, and Android into a second display for macOS / 将 iPhone、iPad 和 Android 变成 Mac 第二屏。Open source, local-first, HEVC, experimental high refresh.
macOS app to show/hide MacOS Dock when connecting/disconnecting external display(s)
Low-latency Android external display and screen mirror bridge for Rokid Glasses
Scripts for getting some functions working on a Thinkpad P51
M5Cardputer Audio Player - portable MP3/WAV player with external ILI9341 display and retro Winamp-style interface. Auto-detects hardware variants, full keyboard controls, visual equalizer, headphone support, and battery monitoring. Turn your M5Cardputer into a standalone music player with a larger external screen.
Original DisplayLink driver modified in order to be able to be built for OpenSUSE Tumbleweed
Turn your iPhone, iPad, or Android device into an extended or mirrored display for your Mac using USB or WiFi.
LG 27GX790B (1440p 540Hz) kernel panics Apple Silicon Macs: 'Unsupported number of horizontal slices for DSC' — root cause analysis and working fix
Turn off your MacBook display without closing the lid.
Monitor the contents of a secondary display via a real-time, scaleable floating window on your primary display.
Rule-driven macOS menu bar app that manages display enable/disable state: profiles, automation, safe switching, and last-active-display protection. Swift + AppKit, no third-party dependencies. You can turn off the MacBook's built-in display when an external monitor is connected.
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