Syncsketch is a really useful free website for posting work and receiving feedback. Just upload a video and allow others to review, draw and make notes.
Syncsketch
Animex Festival (UK)
Animex Festival is held at Teesside University and has been getting bigger and better for the past 18 years. It holds talks from the biggest and best talent in both the games and film industry. Highly Recommended if you live in the UK.
Extra Play
Extra Play focuses on analyzing video game animation and has over 40 videos that do just that! You can also follow Daniel Floyd on Twitter for more goodness.
Pinterest – Animation
Pinterest is a great place for animation inspiration and reference material. Whether you search for animation, dynamic poses or facial expressions you’ll always find something useful.
Animator’s Survival Kit
The Animator’s Survival Kit by Richard Williams is an essential book to own whether you’re a beginner or an expert.
GDC Tricks of the Trade 2017
GDC Tricks of the Trade 2017 is another great talk full of industry veterans giving away free animation tips.
GDC Tricks of the Trade 2016
GDC Tricks of the Trade 2016 has some amazing tips from industry veterans. If you haven’t seen this already you need to watch it right now!
Jason Shum – Videos
Jason Shum is a senior animator at Riot Games and has some awesome free and paid videos on workflow planning, combat, traversal and more!
Kristjan Zadziuk – Youtube
Kristjan Zadziuk is an animation director at Ubisoft and has a bunch of great youtube videos that include game animation, motion matching, showreel reviews and more!
Animator's Resource Kit 