overtools
There are 3 repositories under overtools topic.
overtools/OWLib
DataTool is a program that lets you extract models, maps, and files from Overwatch.
overtools/io_scene_owm
Blender Importer for asset files exported from Overwatch using DataTool/TankLib
overtools/TACTLib
A C# library for reading Blizzard's CASC storage