I'm going to be giving a short "talk" about efficient note taking with LyX. As such it'll be important to focus on keyboard shortcuts. Since people can't see me type, however, I want a tool that displays keyboard combinations as I press them, like this:
I'm sure I've read about something like this on OMG Ubuntu!, but my google-fu is weak.
Ideas?
Screenkey
For older versions of Ubuntu you can download screenkey .deb file from launchpad directly.
The original project by Pablo Seminario (2010-2012) is no longer maintained.
This is an old post but still well referenced.
Here a 2020 update: