No WWDC app for OS X videos yet. You could help us improve this page by suggesting one.
WWDC Together - Watch and discuss WWDC together
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
WWDC TV - Watch WWDC video on your Apple TV
AIMP - AIMP : Free Audio Player : Официальный сайт программы
NotesKey - Time travel through Apple's keynotes
foobar2000 - An advanced freeware audio player for the Windows platform.