Boundless is yet another keyboard / mouse sharing project. It is mainly implemented for my personal needs, so there are other projects that may have a greater feature scope or are more suitable for your needs. My use case / project goals, I use a gaming VM with gpu passthrough that runs Windows on a Linux host. Currently it is designed as Windows being the server and Linux the client.

• The server and the client both must know each other.
• On each host run the following commands.
  • --generate-keys
    • This will genenerate the private/public keys on this system.
  • --public-key
    • This will print the public key of this system.
  • --trust PUBLIC_KEY
    • PUBLIC_KEY is the output of --public-key of the other system.
• Start the server via --server 0.0.0.0:1504
• Start the client via --client SERVER_ADDR:1504
• Switch input on the host running the server with Right Ctrl

• On each host the argument --enable-audio must be used.
• On the client (linux) a null sink needs to be created.
  • pactl load-module module-null-sink sink_name=boundless

• More robust in capturing input. UInput can be flacky when it come to capturing input. Causing keys to remained pressed for example.
• Some games simply don't work with virtual inputs or ban you for using them.

• Clipboard sharing.

• rkvm
  • Similar project to this.
  • Server/Client is the other way around from this project.
• Synergy
  • Linux only supports Xorg
• Barrier
  • Synergy alternative
  • Linux only supports Xorg
• Waynergy
  • Synergy/Barrier client only
  • Supports Wayland!
  • Early in development.