Glass Refs
Managed by us
Google Glass New England – Meetup Group
Dev and Glass Exploring
XDA-Devs YouTube Playlist – Excellent list of the official Google videos
Glass Development site for downloads and API references
Glass support page – only open to Explorers
Google Developers YouTube channel – Not Glass specific
Apps – these are independent listing sites
Another nice list of apps both Glassware and side load
Leet Insider Andrew Pritykin reviews Glasware and teaches