OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Synfig Studio - Just another WordPress site
ZBrush - ZBrush is a digital sculpting and painting software solution.
DAZ 3D - Daz 3D, 3D Models, 3D Animation, 3D Software
Pencil2D - Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old...