Learn the shortcuts от Matthieu G.

Did you know you can use keyboard shortcuts to do almost anything on some websites?
Learn them with this extension and work faster!
For now, it support Gmail, Trello, Github and Google Agenda

Features:
- Press and hold alt to see all the available shortcuts
- When you hover over a button, you'll see the keyboard shortcut you can use


Configuration for Gmail and Google Agenda:
In order to use keyboard shortcuts in Gmail or in Google Agenda, they have to be enabled. If that's not already the case for you, go to Settings > General > Keyboard shortcuts and check the corresponding option