ProKeyLock

Pro-Key-Lock allows the user to lock specific keyboard and mouse buttons. You can use pro-key-lock to lock specific keys like the function keys, the caps-lock key, the windows (start) key or key combinations like Alt-Tab, etc. You can also lock specific mouse functions like the right click or the double click. The user can also define a rectangle on the screen and instruct Pro-Key-Lock to enable mouse clicks only inside/outside this rectangle.