Shapefest - A massive library of 3D shapes for everything!
Wolfprint 3D - A 3D scanner to create realistic avatars of people for VR
Wannathis - 3d illustrations and freebies
Spline - Design tool for 3d web experiences
LostGeometry.xyz - Huge set of 91 abstract 3D objects in various styles.
Display.land - Capture and edit your reality from your phone