InterPals - InterPals is a friendly community of over 5 million friends, language learners, travelers and penpals.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
PenPal World - Connect with people all over the world
Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
SLOWLY - Make pen pals from your smartphone
Instagram - Instagram is a mobile, desktop, and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly, or privately to pre-approved followers.