Postcrossing - A postcard exchange project that invites everyone to send and receive postcards from random places in the world. For free!
Germany Chat - Germany Chat app enables users to make new friends so they can spend their extra time while chatting with them.
swap-bot - Swap-bot is a online service that organizes group swaps and a community of creative individuals.
Random Video Chat - Random Video Chat connecting you with strangers on cam.
Random PenPals - Get a quarantine PenPal in 10 seconds
LuckyCrush - Live random video chat