The best open source alternative to superDisplay is Weylus. If that doesn't suit you, our users have ranked more than 10 alternatives to superDisplay and three of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to superDisplay are Side Screen and Drawing Tablet.
Transforms tablets or smartphones into graphic tablets or touchscreens for computers, enabling mouse control, screen mirroring, hardware video encoding, keyboard input, stylus support with pressure and tilt on Linux, multi-touch, window capture, and use as a second screen.
Transforms any Android tablet into a Mac's second monitor using USB-C for low latency or WiFi with QR pairing, featuring H.265 hardware streaming, touch input, HiDPI support, lightweight design, Gaming Mode, open-source customization, and virtual display window management.
A high-performance, low-latency drawing tablet solution that turns your Android device into a professional graphics tablet for Linux (Wayland).
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