Clikka Mouse Free is a freeware designed for people suffering from
disabilities and thus unable to perform mouse clicks. Clikka Mouse Free is
for use together with other mouse emulator programs such as head or eye
pointers or any other processing system designed for people with
disabilities. This handy application allows you to control the functions of
the mouse both in Windows and in any other program which requires the use of
a mouse device: left or right click, double click, scrolling, etc. (in System
Utilities)