Spline - Design tool for 3d web experiences
Tipsly - Tipsly.io is a french toolbox with more than 100 free tools.
Webflow 3D Transforms - Build 3D interactions visually, without writing any code
Vectary - Vectary is a free, online 3D modeling tool and sharing platform.
The Ultimate Design Tool Picker - Find the best design tool for your use case
Womp - 3D Made Easy