50 Ways To.. is a series of videos by Kevin Parry showing how much variation there is in the simplest thing. A fun and extremely useful resource for animators looking for inspiration
50 Ways To..
Challenger Jacobus
Challenger Jacobus is a Youtube playlist made by Eric Jacobus where he performs movesets from beat-em-up games in real life. Great resource for animation reference!
GreenScreen Animals
GreenScreen Animals is an extensive library of domestic and exotic animals video footage in high definition.
Endless Reference
Endless Reference is a Youtube channel that focuses on animation reference. Lots of great human locomotion videos from different angles
Bodies in Motion
Bodies in Motion is an ongoing photographic project that aims to document the power, beauty and possibility of the human body in motion. It is freely accessible to all visitors at preview resolution or you can subscribe for higher quality images.
MakeHuman (FREE)
MakeHuman is a free open-source software that allows you to create and pose 3D human characters. Useful for pose reference.
Keyframe MP
Keyframe MP is is a compact, yet powerful, media player designed to meet the needs of animators. Features include scrubbing (with audio), single frame stepping, an adjustable playback range and bookmarks. Free Trial available.
Animator's Resource Kit 