Boarded is a virtual on-screen keyboard for the X11 window system. It's intended to be used on mobile devices without a hardware keyboard. It allows you to design your own keyboard layouts, specifying key positioning/grouping and setting own colors.
This project is a highly configurable Virtual Unicode Keyboard written in Java. You might want to use it to type some words in a foreign character set with your mouse.
Turn a PC keyboard into a Musical Instrument! Keyano has the ability to turn your PC into a Musical Keyboard, or select Alphabet mode and it becomes fun and educational for the Kids. Type "A B C" and it says them out loud while it shows letters on screen