Onshape Free

Free plan of PTC's browser-based professional CAD

Source codeNot open sourceClosed source, so there are no stars or commit history to show.
LicenceProprietary (free for non-commercial use)From the vendor's terms

Onshape is a cloud CAD system from PTC, built by founders of SolidWorks, that runs in a browser or on tablets. The free plan gives full modelling, assemblies and drawings, but is for non-commercial use and all documents are public.

Free plan: non-commercial use only, and documents are public.

Free alternative to

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