GitHub - EdyJ/blender-to-unity-fbx-exporter: FBX exporter addon for Blender compatible with Unity's coordinate and scaling system.
Export FBX from Blender to Unity 2018.2 - in 4 steps | Tutorial - YouTube
importing unity 3d to blender 3d - Technical Support - Blender Artists Community
We've created an Addon that makes Blender Rigs compatible with Unity. No more unwanted bones, no more weird stretch deformations, no more guesswork. (Works great with Rigify!) : r/Unity3D
How to Export Models from Blender to Unity - Polynook