Portable Catia V5 R21 -

| Tool | Portable support | Notes | |------|----------------|-------| | | Yes (portable versions on PortableApps.com) | Open source, can open some CATIA parts (limited). | | eDrawings Viewer | No official portable, but can run from USB | For viewing CATIA files only. | | Onshape | Browser-based – fully portable | Free tier available; no installation at all. |