WWDC app for OS X - An app to view and watch WWDC sessions on your Mac
Postmodern.app - Anonymous, short, ephemeral conversations with others
Iventlist - Create an app for your event in minutes 🎟️
Roomvine - Chatrooms for real life venues, neighborhoods and events
WWDC Together - Watch and discuss WWDC together
Berkanan - Chat with people nearby. Even offline, on an ✈️.