FotoSketcher - Turn photos to paintings, drawings and sketches. FotoSketcher is a 100% free program to turn your photos into beautiful art, automatically.
PixBuilder - Free Photo Editing Software for PC
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.
showFoto - ShowFoto is the standalone image editor of the digiKam project.
Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Fotografix - In addition to being totally portable, Fotografix has a ridiculously small footprint.