Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.
Anchor CMS - Free and lightweight blogging system
GIMP - GIMP is a multiplatform photo manipulation tool.
Textpattern - Textpattern is an elegant content management system that is free, open source software.