PenPal World - Connect with people all over the world
Natural Atlas - An evolving, nationwide map of the outdoors
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.
Bigbee - Connect with anyone, anywhere.
Anygram - Anygram app offers features that let you meet new people so you can make new foreign friends practice native languages to learn something new.
The Nudge - A planner friend in your pocket.