It is a freely accessible online and pdf art magazine/book focusing on open-source related artwork.
It contains only pictures and articles made with or about free (not freeware!) software like Synfig, Xara, Glips, Krita, K-3D, 3D Canvas, Gogh or other .
The most of it are made in Inkscape, Gimp, MyPaint, Blender or Achemy. The magazine itself is made with Scribus and LibreOffice.
CODE:FREE is a private, non-commercial initative by Chrisdesign.