Overnight - Book a last minute room with locals, in seconds.
BookMooch - BookMooch is a community for exchanging used books.
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
SLOWLY - Make pen pals from your smartphone
Nightly - One part dating, one part social, one part nightlife
InterPals - InterPals is a friendly community of over 5 million friends, language learners, travelers and penpals.