d3D Sculptor - d3D Sculptor is the world’s most advanced digital sculpture tool.
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.
Synfig Studio - Just another WordPress site
Flamingo Animator - Flamingo Animator is the perfect app for anyone who wants to create their own animated cartoons.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.