Restart Me - ReStartMe is designed to do one thing, and that is to restart processes.
Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
tuPoz - Click-and-Kill. Kill & delete rogue processes in a single click.
Hmu - Hmu is a social app by SC Friends that enables users to search for new friends by viewing a list of users from all around the globe and tap on the desired profile to engage in live chat with them.
Advanced Task Killer - This tool is also known as ATK. It is a tool to kill applications running.
Flashlight - Control your Mac with a keystroke.