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)
Blender 2.8 Updates for Hardsurface Fast Carve Addon - BlenderNation
Blender 2.8 Hardsurface Addon Fast Carve Update - YouTube