Mania
Mania is a set of 4 tools: Au Contraire, Mall Grab, Siegmeyer, and Jaeger, all of which are designed to improve the animation workflow within the Unity Editor.
Mall Grab is a tool for saving and storying poses to files, then selectively re-applying those poses to the character. Au Contraire is an easy to set up IK Tool for animating characters. Siegmeyer is a 3D onion skinning tool. And Jaeger is a Gizmo-Rigging tool, which enables selecting of transforms within a skinned mesh’s skeleton.
The package is currently not available for download in its current state. It’s expected to be released in late 2021.