Platforma - Wireframe library of layouts and UI elements
Viz4D - Viz4D helps you create top-performing web-based 3D viewer that works great on mobile and VR. It is tailored for real-time Archviz walkthrough, 3D product configurator and presentation.
Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
Source Wireframe Kit - Library of 537 blocks for desktop and mobile prototyping
Sketchfab configurator - Build your real-time 3D configurator