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Onshape vs SolveSpace: catalog facts
Onshape	SolveSpace
Freemium Free tier available; paid plans add private documents and more storage.	Free Free and open source under the GPL.
Web	Windows, macOS, 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	Real parametric constraint solving, so dimensions drive the model Exports STL, STEP and DXF for 3D printing and machining
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	The interface is bare and the workflow unlike mainstream CAD packages Not suited to large or highly complex assemblies
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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