Click-N-Type is an on-screen virtual keyboard designed to provide computer accessibility to anyone with a disability that prevents him or her from typing on a physical computer keyboard. As long as the physically challenged person can control a mouse, trackball, touch screen or other pointing device, this adaptive software keyboard allows you to send keystrokes to virtually any Windows application or DOS application that can run within a window. The Click-N-Type Virtual Keyboard requires Windows 95/98/ME/NT/2000/XP/Vista/Win-7 or later. There are other onscreen virtual keyboards around but you'll find Click-N-Type the easiest to use for getting text into problematic applications. Try them all. You'll see they all work fine while typing into Notepad or WordPad, but when you attempt to do some real work, with all but the expensive ones, you'll get really annoyed really fast. The Click-N-Type Soft Keyboard was designed with ease of use foremost in mind. Oh yes, it's FREE. If you need it, you can have it. I've seen too many people trying to make money off disabled people.
Source: Lake Software