Recently in Animation Category

http://hand-drawn-animation.blogspot.com/

http://www.animationblog.org/

http://www.theanimationblog.com/

http://www.cartoonbrew.com/

http://www.animationarchive.org/

http://www.awn.com/

and more:
http://www.makeuseof.com/tag/10-animation-blogs-web-inform-teach-inspire/

http://www.pencil-animation.org/

Also see:
http://www.synfig.org/cms/
Synfig Studio is a free and open-source 2D animation software, designed as powerful industrial-strength solution for creating film-quality animation using a vector and bitmap artwork. It eliminates the need to create animation frame-by frame, allowing you to produce 2D animation of a higher quality with fewer people and resources. Synfig Studio is available for Windows, Linux and MacOS X.

Books + tutorials:
http://www.desktopacademy.com/store/