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Alibre Atom3D vs Onshape: catalog facts
Alibre Atom3D	Onshape
Paid Requires a paid license or subscription. Trial availability and licensing depend on the…	Freemium Free tier available; paid plans add private documents and more storage.
Windows	Web
Supports parametric part modeling Targets hobby fabrication and 3D printing	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
Windows only; advanced capabilities belong to other Alibre editions.	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
Downloadable app	Web application
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.