I recently discovered a small utility that solves a slew of multi-PC problems smartly and simply. For starters, Mouse with Borders lets you use a single mouse and keyboard to control up to four PCs.

For $40, you can copy and paste between PCs, drag and drop files and folders among computers, send the same mouse and keyboard input to all computers at the same time, and more. Is it worth it?

If you have multiple Windows PCs and often use them side-by-side, Mouse Without Borders is a frankly magical experience. It allows you to control multiple PCs with the same mouse and keyboard ...

Mouse Without Borders lets you control multiple Windows PC's with one mouse, Copy-Paste, Drag and drop, share one keyboard and mouse, lock, etc. Read review and see how to setup Mouse without ...

But what if you’re using multiple computers? Then you typically need a separate input device for each PC.

Use VNC or rdesktop to control secondary computers from your primary computer. The main problem with this is that you lose all the screen real estate on your secondary computers and end up with their ...

Followed by the release of Start10 on Steam back in May, Stardock has also announced Multiplicity for the gaming platform. The software allows you to control two PCs with one mouse and keyboard.

In this week's PC Periodicals, George Cox explains several ways to control two computers with one keyboard and mouse.

Windows/Mac: If you have more than one computer at your workspace, ShareMouse will let you control them all with a single keyboard and mouse, as well ...

Anyone know if such software exists? I guess if no software exists, creative hardware solutions would be fine too. Right now I use Input Director to share my keyboard/mouse across my work and ...