Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.

Frysbe - Frysbe: Make global friends at random and the fling app comes up with features to send messages to strangers from every corner of the world to expand your social circle.

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.

Yochat - Yochat app enables users to get to know about strangers from a large number of countries from around the world by video chatting with them.

Flashlight - Control your Mac with a keystroke.

PenPal World - Connect with people all over the world