Language.exchange - Language.exchange is a language-learning community that connects people around the world to help you learn a new language, meet people and make friends.
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.
Polyglot Club - Polyglot Club is a new social network for language learners.
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.
PenPal World - Connect with people all over the world
Random PenPals - Get a quarantine PenPal in 10 seconds