InterPals - InterPals is a friendly community of over 5 million friends, language learners, travelers and penpals.
Synoomy - Synoomy app provides features through which users can discover new cultures and communities as well as can also improve their language skills by making new friends.
PenPal World - Connect with people all over the world
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.
swap-bot - Swap-bot is a online service that organizes group swaps and a community of creative individuals.
Cool Cousin - Shaking up the travel world with good old human connection