The best alternative to Barrier is ShareMouse, which is free. If that doesn't work for you, our users have ranked more than 10 alternatives to Barrier, but unfortunately only two of them are.
Seamlessly control multiple computers using one mouse and keyboard, switch between systems by moving the pointer, transmit input securely over LAN, share clipboard, support drag-and-drop files, and work across Windows or macOS with no hardware required.
GiMeSpace KVMShare Pro is one of the very few real KVM software sollutions that not only shares mouse and keyboard but really allows you to share video in the form of windows on the screen of connected computers while using minimal bandwidth.
I got this tool on a discount promo from BitsDuJour, wish I discovered it earlier. So easy now to work on my laptop and deskto at the same time.
Germany
EU
Netherlands
KVMShare Pro is hands down the best KVM software for windows. It is so easy and intuitive to use!