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.
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.
PenPal World - Connect with people all over the world
Airtripp:Free Foreign Chat - Airtripp:Free Foreign Chat is a social app by Kiheitai Inc.
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.
Polyglot Club - Polyglot Club is a new social network for language learners.