Input Director – Control multiple computers with one keyboard/mouse

For people who use multiple computers (the most common combination is laptop + desktop PC) at the same time, you have to change to use a different mouse and keyboard every time you switch from one computer to another, which makes work very inefficient and people feel tired! In this case, in addition to paid software like Synergy can solve the problem, there is also free (for non-commercial use only) application like Input Director can help you.