Instantly create and apply presets for your xrandr monitor setup. Especially useful for laptop users who routinely connect external monitors or projectors to their machine.
Just start it (requires python3 and pygtk).
Add a new preset using the + button.
Tick the screens you want to activate.
Rename a preset using the pencil button on the right, click the bin to delete it.
Click the button on the left to apply a preset.
Use the pencil icon in the top bar to specify a post command.
This command is executed after the a preset is applied, e.g. for updating wallpapers or settings for your docking station's keyboard.
Save everything using the disk icon at the top.