Blender 2.8 Hardsurface Addon Fast-Carve - Blender Development Discussion - Blender Artists Community
GitHub - jayanam/fast-carve: Hardsurface utility Blender addon for fast boolean and bevel operations (it's now JMesh tools : https://github.com/jayanam/jmesh-tools)
add on - How to load Addons on Blender older versions - Blender Stack Exchange