opendisplay

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.

1.2k 88

GPL-3.0

last commit 2026-07-13

duet-display external-display ipad iphone macos screen-extension screencapturekit second-monitor sidecar swift

Website Source

About

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.