keycast
There are 4 repositories under keycast topic.
siduck/bubbly
Show beautiful keystrokes & generate chat bubble widgets while typing on Linux
ferhatgec/tush
simple x11 keycaster (aka tuş)
Vexcited/keycat
[WIP] A cross-platform keycast program with a fully customizable look.
liuyug/KeyCastOW
keystroke visualizer for Windows, lets you easily display your keystrokes while recording screencasts.