Screenkey
Screencast your keys
Screenkey is a screencast tool to display your keys inspired by Screenflick for Mac OS and based initially on key-mon project. It's useful to create screencasts and is also a powerful teaching tool.
Screenshots
Video
See Screenkey in action!
Download
You can download Screenkey from https://launchpad.net/screenkey/+download. Source code is licensed under GPLv3 and hosted on Launchpad.net.