GitHub - fiddyschmitt/SimpleKVM: Use multiple computers using the one monitor, mouse and keyboard
Simple KVM
Share your monitor with multiple computers.
Full KVMs are quite expensive, particularly ones which supports high resolution / high framerate.
Using this program and a cheap USB switch (see below), you can achieve the same without spending hundreds of dollars.
Where to download
Releases can be found over in the releases section.
(Currenly only for Windows)
What you need
All you need is a USB switch such as the following (no affiliation).
This one supports 4 computers. SABRENT 4 Port US...
Read more at github.com