LOLking is a website that can be used to view League of Legends characters and their animation sets. Great as a source of game animation reference!
LOLKing
Zweifuss
Zweifuss is a website that displays the sprite animations for Street Fighter 3 – Third Strike. Great for reference material and for just admiring the lovely sprite animations.
On Animation
On Animation is a website filled with animation analysis, behind the scenes, podcasts and more. Check it out!
Spungella
Spungella is a blog run by Jean-Denis Haas that is constantly updated with inspiring animations, short films, progression reels and more. A great resource for inspiration!
BFX Festival (UK)
BFX Festival is an animation festival held in Bournemouth, UK and was designed to celebrate and promote the visual effects, computer games and animation industry, inspire the next wave of talent and share the latest knowledge
FMX Festival (EU)
FMX Festival is an international conference on animation,
effects, VR, games and transmedia held in Stuttgart, Germany
CG Monks Toolbox
Cg Monks Toolbox is a free toolset for Maya that includes a large selection of handy animation and rigging tools
Animation Exchange (2017)
Animation Exchange was an 8 hour twitch stream hosted by a bunch of lovely animation veterans. The aim was to take the knowledge sharing and powerful community of art and development conferences and make it accessible to all, and it was awesome!
Tea Time Animation
Tea Time Animation is a website and forum run by Lana Bachynski (Blizzard) that has a bunch of great advice and resources for animators.
Animator's Resource Kit 