Hacker’s Keyboard is a full-featured Android soft keyboard offering a PC-style layout—including five rows, arrow keys, Ctrl/Esc/Tab, and punctuation—making it ideal for SSH, coding, and technical tasks.
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.
ttkb is an on-screen keyboard that helps learning how to touch type. The keys are highlighted according to the fingers which press them. The user should not by any chance look on the real keyboard. Tutorials are included to get started with touch typing.