Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
InterPals - InterPals is a friendly community of over 5 million friends, language learners, travelers and penpals.
Cool Cousin - Shaking up the travel world with good old human connection
PenPal World - Connect with people all over the world
Triip.me - The happiest way to travel in 227 countries
swap-bot - Swap-bot is a online service that organizes group swaps and a community of creative individuals.