Emit - Emit can stream from a Windows/Mac/Linux machine to an android/iOS device.
WWDC app for OS X - An app to view and watch WWDC sessions on your Mac
MX Player - Powerful video player with advanced hardware acceleration and subtitle support.
WWDC Together - Watch and discuss WWDC together
Vinyl Music Player - A fork of Phonograph Music Player that "makes all Pro features free, as they used to be".
NotesKey - Time travel through Apple's keynotes