C3D Labs CADEX CAD Exchanger v3.24.21
CAD Exchanger is a CAD interoperability and visualization program. It can open, view, analyze, and convert 3D CAD files from many different CAD systems—without needing the original CAD software.

Functionality: view 3D CAD models, convert CAD formats, analyze geometry, compare models, repair & simplify (heal geometry and reduce model complexity for downstream use)