Posemaniacs is good free resource for searching for specific poses at various angles. It has 1000s of poses displayed by male and female 3D models.
Posemaniacs
Line of Action
Line of Action is a really useful site for learning about the human form, anatomy, speed drawing and more. Useful for both 3D and traditional animators!
Wowhead
Wowhead is a site that allows you to view character animations from World of Warcraft. Another great source for game animation.
LOLKing
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!
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
Animator's Resource Kit 