No WWDC app for OS X videos yet. You could help us improve this page by suggesting one.
WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.
WWDC Together - Watch and discuss WWDC together
Air Explorer - Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu,...) as well as WebDav and FTP connections.
WWDC TV - Watch WWDC video on your Apple TV
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
NotesKey - Time travel through Apple's keynotes