Spline - Design tool for 3d web experiences
Parade - Easily create parallax scrolling animations on iOS
Webflow 3D Transforms - Build 3D interactions visually, without writing any code
Undesign - Free design tools and resources for your projects
Vectary - Vectary is a free, online 3D modeling tool and sharing platform.
Tipsly - Tipsly.io is a french toolbox with more than 100 free tools.