GNU social - GNU social is communication software for both public and private communications.
PenPal World - Connect with people all over the world
YouWeb - The first social network focused on your way to experience the Web and interact with virtual...
InterPals - InterPals is a friendly community of over 5 million friends, language learners, travelers and penpals.
Gab - Gab is an ad-free social network dedicated to free speech.
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.