Hugging Face GitHub

: Users can designate coordination spaces within the Autodesk Construction Cloud to identify constructability issues before breaking ground.

If you only need to view models and not perform clash detection: 100% Free forever.

Searching for "portable" or "gratis" (cracked) versions of professional software like Navisworks often leads to:

Autodesk offers a free viewer called Navisworks Freedom . While it lacks the advanced features of "Manage" (such as clash detection and editing capabilities), it allows you to open and review NWD files. This is a legitimate, free tool for viewing project models.