Unity Prefabs Browser

For a long time I was thinking of making a tool that would allow me to edit prefabs without adding them to the scene window. I wanted something similar to Prefabs in UE4 (3:15) :

But according to the principle: “Think Big, Start Small”, for now I’ve just extend possibility to edit prefab children beyond first nesting of children.

You can check the source here:

If You want to create similar EditorWindow or even better don’t forget to check out Unity Documentation for TreeView: