Exporting a Blender rigged model to Unity - Unity Forum
Rigify horse rig to Unity problem - Animation and Rigging - Blender Artists Community
Sam Dutter on Twitter: "I made a tutorial! You can convert any Unity/VRChat skeleton to a Rigify Control Rig! Very useful for animation. https://t.co/yhFAZiKJjx #VRChat #unity3d #blender https://t.co/DTWM8RmlwY" / Twitter
Unity - Manual: Using Blender and Rigify
Mixamo: Rig your Blender mesh and import to Unity3D - BlenderNation
Blender to Unity rigging - Rigify integration issues? — polycount
Exporting animated character from Blender to Unity - BlenderNation
armature - How to "export" bones from Blender to Unity? - Blender Stack Exchange