Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
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.
tuPoz - Click-and-Kill. Kill & delete rogue processes in a single click.
Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.
Restart Me - ReStartMe is designed to do one thing, and that is to restart processes.