peetzweg / opendisplay

TL;DR

Peetzweg's opendisplay is a free, open-source alternative to Sidecar and Duet, allowing users to utilize their iPhone or iPad as a second monitor for Mac. It supports low latency H.264 video, Retina HiDPI resolution, and touch input over USB or WiFi.

✦ Why It Matters

Download and try opendisplay today to enhance your Mac's productivity with a second screen.

Key Takeaways

Transform spare Apple devices into second monitors for free.
Utilize both USB and WiFi for low-latency connections.
Leverage touch input for enhanced navigation on iOS devices.
Contribute to the open-source project to improve its features.

How It Works

OpenDisplay creates a virtual display on the Mac that treats the connected iPhone or iPad as a true second monitor. It streams video using H.264 encoding over a TCP connection, ensuring low latency and high-quality output.

The app uses macOS's built-in usbmuxd for USB connections and Bonjour for WiFi discovery, allowing for easy setup without additional configuration.

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