Tool for Character Animation: Keyframe Pro - 79$

Keyframe Pro is a feature rich, high-performance playback and review tool designed for professionals and students working in games, TV, and film. Built from the ground up, and focusing on the expanded needs of animators in production, Keyframe Pro is a powerful addition to any animator’s toolkit. This has a nice interface that docks into maya and you can make it always on top to use as reference without having to make an image place in Maya to project your reference onto.

He has multi seat pricing too for schools.