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OpenDisplay

Use an iPhone, iPad or spare Mac as an extended second display over USB or Wi-Fi.

GPL-3.0 · Downloads from github.com

License
GPL-3.0
Open source
Category
Utilities
Source
GitHub
peetzweg
Verified
2026

About OpenDisplay

OpenDisplay creates a virtual monitor on the Mac and streams it to a receiver, so the other device behaves like a real extended display you can arrange in System Settings. iPhones and iPads can connect by cable or Wi-Fi and accept touch input for clicking, dragging and scrolling; mirroring is available too.

Another Mac can act as the screen using the separate OpenDisplay Receiver app. It is a free alternative to Sidecar or subscription display apps; the README documents device and macOS requirements.

Information

Source code
peetzweg/opendisplay
License
GPL-3.0
Website
opendisplay.app
Download
github.com
Category
Utilities
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