Deskreen turns any device with a web browser to a second screen for your computer




Spacedesk is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux Screen Mirroring App alternative is Deskreen, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Spacedesk and five of them are Screen Mirroring Apps available for Linux so hopefully you can find a suitable replacement. Other interesting Linux Screen Mirroring App alternatives to Spacedesk are Weylus, QtScrcpy, VirtScreen and Mirror Hall.
Deskreen turns any device with a web browser to a second screen for your computer




Weylus turns your tablet or smart phone into a graphic tablet/touch screen for your computer.

QtScrcpy connects to Android devices via USB (or via TCP/IP) for display and control. It does NOT require the root privileges.




Make your iPad/tablet/computer into a secondary monitor on Linux. - GitHub - kbumsik/VirtScreen: Make your iPad/tablet/computer into a secondary monitor on Linux.


MirrorHall creates virtual second monitors over the network using UDP video streaming among Linux desktop or mobile devices. It is optimized for low latency, and is based on gstreamer and GNOME's mutter screen sharing APIs.


Can only use to mirror screen - not extend desktop & it has to run through a browser window.