Hot corner and more
Minimal download size, minimal memory footprint, does not take a lot of screen real estate.
Easily enable/disable sleep
Right click on the app in the icon tray to disable or re-enable sleep mode.
Enable hot corner to easily view all of your open windows
Right click and select the option to enable hot corner to show all of your windows when you move the mouse pointer to the top left corner of the screen.
Basic and non-intrusive pomodoro timer
Left click on the app to open/close the pomodoro timer, click on the button or use the app menu to start.