The best Remote Desktop alternative to Spacedesk is Multiplicity. It's not free, so if you're looking for a free alternative, you could try Weylus or OpenDisplay. If that doesn't suit you, our users have ranked more than 25 alternatives to Spacedesk and five of them are Remote Desktop Tools so hopefully you can find a suitable replacement. Other interesting Remote Desktop Tool alternatives to Spacedesk are Duet Display and DFMirage.
Multiplicity offers a virtual KVM solution, managing several computers with one keyboard and mouse. Its remote modes enable cursor transition across monitors and centralized control. Users can transfer files, stream audio, and lock computers without extra hardware, suitable for command rooms, IT desks, and home users.
United States
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.
Turns iOS or Android devices into efficient second displays or graphics tablets for Mac and PC, delivering zero-lag, high-resolution output with touch, gesture, and touch bar support, hardware-free setup, secure remote desktop capabilities, and end-to-end encryption.
United States
Free, open-source Sidecar/Duet alternative — use your iPhone or iPad as a true second monitor for your Mac over USB or WiFi. Low latency H.264, Retina HiDPI, touch input.
DFMirage is "cutting edge" video driver mirroring technology for the Windows. It is a driver for virtual video device managed at DDML level of the graphics system that exactly mirrors the drawing operations of one or more physical display devices.
