Onshape
Used by 2 peopleonshape.com ↗

“A few years ago I tried Onshape, which is a much cheaper cloud CAD program made by some people who left Solidworks but back then when I tried it, it was still lacking a lot of features compared to Solidworks.”
Sarah Pavis Interview, Mechanical engineer · via Uses This 
“3D CAD mostly happens in Onshape, which runs delightfully on an iPad.”
Em Lazer-Walker Interview, Interactive artist, developer · via Uses This