Current Challenge – Anime Action. A challenge hosted by the Polycount community that changes theme every few weeks. No Deadlines. Just for funsies!
Polycount Challenge
11 Second Club
11 Second Club – A monthly competition that focuses on animating to a different piece of dialogue each month.
Studio Library
Studio Library is a free tool for managing poses and animation in Maya.
BodyMech Rigs ($40)
BodyMech Rigs are a series of Maya rigs, designed to be perfect for honing in on those body mechanics and body acting skills.
Blender (FREE)
Blender is a free open source 3D modeling, animation, video editing & compositing software. Like Maya but FREE!
Autodesk 3DS Max
3ds Max provides a comprehensive 3D modeling, animation, rendering, and compositing solution for games, film, and motion graphics artists
Autodesk Maya
Autodesk Maya is a popular 3D computer animation software with powerful modelling, rendering, simulation, texturing and animation tools for VFX artists, modellers and animators
Animator's Resource Kit 