I recently learning Blender.
There is much free plugin and especially this can be very useful.
http://www.blendernation.com/2016/03/10/cut-animation-tools-overview/
Develop games in your browser. Powerful, performant & highly capable.
Looks like a nice, useful freebie.
Thanks for heads up.
Ot exports animation as json. Perhaps someone sould write a plugin for c2?