Living Lines Library is an amazing resource full of pencil tests, drawings, documentaries and more from the animation legends!
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.
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!
Animation Is Hard (Podcast)
Animation Is Hard is an animation podcast hosted by Mike Stamm and Matthew Krick where they walk you through the challenges and pitfalls of producing independent animation, and share their advice on everything from scriptwriting to crowdfunding.
Animation Buffet is a great resource for free Rigs and is constantly updated by Jean-Denis Haas (ILM)
Longwinter Rigs ($10/month)
Longwinter Studios are offering access to their whole rig collection (30+) for only $10 a month. Not too shabby!
iAnimate is an online animation school. They offer a complete set of workshops designed to target all animation needs, and put you in direct contact with veteran animators from the biggest & best studios in our industry.
Eadweard Muybridge was known for his photography of humans and animals in motion, a lot of which can be found on google and is a great resource for reference material
GettyImages has a massive selection of stock footage and is an amazing resource for reference material. Previews can be watched for free or you can pay for a higher quality version.