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.
The Nudge - A planner friend in your pocket.
Unbordered - Unbordered app comes up with features to help you in finding the perfect language practice and exchange partners so you can practice foreign languages right through your mobile phone.
Yuggler - Fun activities for kids and family!
PenPal World - Connect with people all over the world
Fieldguide - A field guide for everything