piZap - Free online photo editing software.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Photoshop.com - Photoshop.
MakeHuman - MakeHuman is a free, open source, interactive modeling tool for creating custom 3D human characters.
FotoFlexer - FotoFlexer is the most powerful online photo editor in existence.
Bforartists - Bforartists is a fork of Blender.