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Onshape vs Siemens NX: catalog facts
Onshape	Siemens NX
Freemium Free tier available; paid plans add private documents and more storage.	Paid Commercial enterprise licensing; no free tier.
Web	Windows, Linux
No desktop install needed since the entire CAD environment runs in the browser Real-time collaboration and built-in version history simplify team design work	Integrates CAD, CAM, and CAE simulation in one suite for large-scale product design Widely adopted in aerospace and automotive, so it is a common requirement in those industries
Requires a stable internet connection since there is no offline desktop mode Free tier makes projects publicly viewable, which is not suitable for private work	Aimed at large enterprise teams, with pricing and complexity to match Interactive use is Windows-only, with Linux limited to solvers and batch processing
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.