GPS Status & Toolbox - Display your GPS and sensor data: Shows the position, number and signal strength of GPS satellites.
Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
Trail Sense - An Android app which uses your phone's sensors to assist with wilderness treks or survival situations.
Flashlight - Control your Mac with a keystroke.
iHunter Alberta - iHunter Alberta is an amazing mobile application offered by Inside Outside Studio Inc.
Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.