Have a look at FreeCAD Path Workbench. You won't use it to run your 200000$ 5axis mill, the 3d kernel has limitations, and the UI isn't polished and has rough s

Have a look at FreeCAD Path Workbench. You won't use it to run your 200000$ 5axis mill, the 3d kernel has limitations, and the UI isn't polished and has rough spots, but it is usable.