Postcrossing - A postcard exchange project that invites everyone to send and receive postcards from random places in the world. For free!
Random Video Chat - Random Video Chat connecting you with strangers on cam.
swap-bot - Swap-bot is a online service that organizes group swaps and a community of creative individuals.
Meet And Chill - Meet And Chill app provides features through which users can meet with strangers with the same interests to make new friends.
Random PenPals - Get a quarantine PenPal in 10 seconds
LuckyCrush - Live random video chat