Alexander Perrin - Has a passion for meticulous dynamics, detailed digital rendering techniques and cats.
Manim - Mathematical Animation Engine made by Grant Sanderson.
Loom - Hand drawn animation tool on iPad.
React-spring visualizer - Missing visualizer for your react-spring UI animations.
Awesome Web Animation - Most useful tools and data for creating web animations.
Pose - Simple web app for character posing.
WeightShift - Maya plugin for animator friendly, physically-based character animation.