Unity Asset Store – UMotion Pro – Animation Editor v1.28p04

Powerful Animation Editor for animating any type of 3D model right inside Unity.

Reduce development time by fine tuning animations even while being in play mode.

No CPU overhead: UMotion produces Unity animation clips that require no run-time components.

https://assetstore.unity.com/packages/tools/animation/umotion-pro-animation-editor-95991