DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Behance - The Creative Professional Platform.
Anchor CMS - Free and lightweight blogging system
Inkbunny - Helping furry artists and story-tellers share their work.
Textpattern - Textpattern is an elegant content management system that is free, open source software.