Platequery - Report drivers or contact them with license plate lookups
TechEvents.co - Tech and startup events aggregator
WWDC app for OS X - An app to view and watch WWDC sessions on your Mac
Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
Avenue - Event messaging app for WWDC attendees
Event Hunt - Startups and Tech Events Curated By Locals