Use a Linux Computer as a Second Monitor with BetterCast
BetterCast supports Linux as a receiver for a Mac or Windows sender. Learn what works, what is in beta, and why Linux desktop sending is not supported.
BetterCast can use a compatible Linux computer as a second monitor for a Mac or Windows sender. The Linux receiver is currently in beta. BetterCast does not currently send or extend a Linux desktop to an iPad, phone or other computer.
Sender versus receiver
The sender creates the extra desktop workspace. The receiver displays it. BetterCast's Mac app can do both; Windows sending is beta. The Linux app is a receiver only. Earlier versions of this guide incorrectly described Linux sending and package options; this revision corrects those claims.
How to use your Linux computer as the extra screen
- Install BetterCast on your main Mac or Windows computer. On Windows, use the installer so the virtual display driver is included.
- Download the Linux receiver AppImage from the official downloads. Check the linked release's architecture and requirements.
- Allow the AppImage to run using your distribution's application permissions, then launch it.
- Connect both computers to the same local network and keep the receiver open.
- Select the Linux receiver from the sender and arrange the virtual display on the sending computer.
What if it does not connect?
Check the release requirements, local-network access, firewall rules and whether the network isolates clients. For a bug report, include your distribution, architecture, app versions, connection method and reproduction steps in the issue tracker.
Can I use an iPad as a second monitor for my Linux desktop?
Not with BetterCast's current Linux receiver. That requires Linux sending support, which BetterCast does not currently provide. Do not download the receiver expecting it to create a Linux virtual display.
Source and review date
This product guide was checked against the BetterCast README and releases on September 7, 2026. Compatibility and beta status may change. It is not a cross-distribution compatibility test.
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