Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Exposure - Turn your pictures into art.
Anchor CMS - Free and lightweight blogging system
Pinspire - Discover, collect, and share images you love on Pinspire.
Textpattern - Textpattern is an elegant content management system that is free, open source software.
Known - Publish blog posts, photos and media to your own site, and syndicate it to your social networks. Keep everything on your own site.