Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.

Notif.me SDK - A Node.js lib to send all your transactional notifications

Palaround - Meet people you should be friends with.

Clank - Explore the biggest crypto transactions across blockchains

Babble - A more personalized social network

Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.