Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
Flashlight - Control your Mac with a keystroke.
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.
Screen Torch Advanced 2 - "Screen Torch Advanced 2", is an handy torch program. It only uses devices' backlight.
eChats - eChats is a social app by YBK creations that contains features to allow you to securely send text messages to your friends and family members without having to worry about any privacy threats.
Torchie - Touch to Torch