Shapr - A completely free way to build your professional network.
Blockbutler - Real-time transaction notifications for the blockchain
Wildcard - Discover, connect and meet people at communities
Notif.me SDK - A Node.js lib to send all your transactional notifications
LetsLunch - Do more with your lunch hour. Meet new people.
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.