Background application that listen for global hotkeys and run the corresponding scripts.
Whenever the user presses Alt+Letter (in any program), J internally navigates to the first file or folder that starts with that letter. When it reaches a deadend or has finished executing a script, it goes back to its root.
The scripts can have any extension, are only loaded when you use their hotkey and are not cached between executions.
If you press Alt+S, Alt+G it'll run 'search/google.py'. If you press Alt+S, Alt+C, Alt+G it'll run 'search/clipboard/google.py'.