Artstel - Find and connect with the top creative talent worldwide
Snapzu - Snapzu is basically reddit alternative.
Twitch Creative - Watch artists create. Twitch expands into the arts.
Creative Portfolios - Creative portfolios made by designers & developers.
Folkd - folkd.com - Social Bookmarking - Save your bookmarks and links online and search what your friends like.
The Creative Class - A well-designed class every freelancer should take