On Screenboards 

Microsoft Windows Onscreen Keyboard

On-Screen Keyboard is an accessibility utility that displays a virtual keyboard on the computer screen, that allows people with physical impairments to type data by using a pointing device or joystick.  On-Screen Keyboard can also be used as a typing tutor.

Using the Microsoft Windows Onscreen Keyboard:

• Starting On-Screen Keyboard Automatically When Windows Starts
• Selecting a Keyboard Layout
• Selecting the Font for On-Screen Keyboard Keys
• Using an Audible Click

  You can use the Click Sound option to add an audible click when you select a key using On–Screen Keyboard.

• Activating Scanning Mode

  In scanning mode, On-Screen Keyboard continually scans the keyboard and highlights areas where you can type keyboard characters by pressing a hot key or using a switch-input device.

• Activating Hovering Mode

  In hovering mode, you use a mouse or joystick to point to a key for a predefined period of time, and the selected character is typed automatically.

• Activating Clicking Mode

  In clicking mode, you can select the on-screen keys to type text. By default, On-Screen Keyboard allows you to type data with the mouse by pointing to and clicking keyboard characters.

Alternative Onscreen Keyboards

WiViK on-screen keyboard. Also includes a built in word prediction program. The keyboards can apparently contain any keys you want, can be moved anywhere on the screen and can be any size. More information . . . 

KeyVit on-screen keyboard. More information . . . 

KeyStrokes - for Apple Mac. KeyStrokes is a fully-functional advanced virtual on-screen keyboard that allows you to type with a mouse, trackball, head pointer or other mouse emulator to type characters into any standard Macintosh application.

More information . . . 

Additional resources

• More about the On-Screen Keyboard and it's uses . . . 
   
• How on-screen keyboards are accessed using pointing devices or switches. A look at the overall concept and some general points about what the on-screen keyboards can do, and why particular features (identified in bold) are helpful. More information . . .