Pencil2D - Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Sculptris - Sculptris: Enter a world of digital art without barriers.
Invision - Prototyping and collaboration for design teams
ShapeShop - ShapeShop is an advanced and professional 3D design and modeling application that comes with an easy-to-use and user-friendly interface.