Synfig Studio - Just another WordPress site
Spine - Spine is 2D animation software designed specifically for software and game development.
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.
AnimeEffects - AnimeEffects is a 2D keyframe animation tool based on deformation of polygon meshes.
Pencil2D - Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old...