Synfig Studio - Just another WordPress site
Aphalina Animator - Visual tool for creating interactive SVG animations: HTML5 banners, svg icons, interactive web...
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
KoolMoves - Inexpensive animation software that combines ease-of-use with powerful effects for creating high quality Html5, GIF, AVI, and SWF animations and mobile apps
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Wick Editor - The Internet's free and open-source creation toolkit.