- Mouse Without Borders allows you to reach across your PC's as if they were part of one single desktop. Using Mouse Without Borders you can move your mouse between the 3 or more screens, even though one of them is attached to a different PC from the other two.
- Free • Proprietary
- Input Director is a Windows application that lets you control multiple Windows systems using the keyboard/mouse attached to one computer. It is designed for folks who have two (or more) computers set up at home and find themselves regularly sliding from one system to the other.
- Free Personal • Proprietary
- QSynergy provides a GUI for old versions of Synergy(pre-2010). QSynergy has since been merged with the official Synergy project; newer and better integrated versions of this GUI are available with the official Synergy download.
- Free • Open Source
No longer developed.