Recently we posted about "Mouse without frontiers" tool will be released by Microsoft Garage:
Microsoft Releases free "mouse without borders" Utility
The above tool allows you to control up to 4 PCs with a single mouse and keyboard. You can move your mouse cursor from one screen to another.
Kowalski"AskVG readers"Nunja Business"and" shared 2 excellent free tools "Synergy" and "Director" who do the same work Input.

Synergy:
Synergy is a free and open source software that you can easily share your mouse and keyboard between multiple computer systems, where each computer has its own display. No special hardware is required, you just need a network connection. Synergy can be used in Windows, Mac OS X and Linux. Use is as simple as moving the mouse from the edge of your screen. You can even share your Clipboard.
You can download it by using following link:
Download Synergy
Input Director:
Input Director is another similar free tool for Windows that allows you to control multiple Windows systems only users using your keyboard/mouse connected to a single computer system. It is designed for people who have two (or more) computers next to each other and find themselves regularly to switch from one system to another.
With Input Director, you can share a single keyboard/mouse on a range of systems. You switch which system receives the input either by hotkey, to move the cursor so that it transitions from one screen to another (in a very similar way to a multi-monitor setup). The idea is that you can post the monitoring of two or more systems in a row and use a shared keyboard/mouse to check all of them.
Input Director also supports a "shared" Clipboard, which you can copy data to the Clipboard on one system, on the transition to another and paste.
Input Director is required for Windows 2000 SP4, XP SP2, Server 2003, Vista, Server 2008 or Windows 7.
You can download it by using following link:
Download Input Director
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