When you've checked the box next to your plugin, close Gedit and re-open it.
- Better Python Console. Better Python Console highly improves on the existing Python console in Gedit. ...
- Encrypt/Decrypt. ...
- Ex-Mortis. ...
- Line Mover. ...
- Pair Character Autocompletion. ...
- Quick Switch. ...
- Whitespace Remover. ...
- Source Code Browser.