Animation Mentor Rigs – Two free rigs from Animation Mentor when
Animation Mentor Rigs (FREE)
Dota 2 Rigs (FREE)
Dota 2 Rigs – A large selection of free Dota 2 rigs on the Steam Workshop
World Zombination Rigs (FREE)
World Zombination Rigs – A free set of rigs from the game ‘World Zombination’ for use with Maya
Kiel Figgins Rigs (FREE+)
Kiel Figgins Rigs – An amazing selection of free and paid rigs (mostly paid) are available on Kiel Figgins’ website.
Truong Rigs (FREE+)
Truong Rigs – A massive selection of free and paid rigs all made by Truong
After Effects
After Effects is an adobe product and is a very popular motion graphics and visual effects programs. Useful for editing and adding post-effects to animations.
Polycount Challenge
Current Challenge – Anime Action. A challenge hosted by the Polycount community that changes theme every few weeks. No Deadlines. Just for funsies!
#animonthly
#animonthly is a monthly twitter challenge created by Ross O’Donovan
11 Second Club
11 Second Club – A monthly competition that focuses on animating to a different piece of dialogue each month.
Animator's Resource Kit 