Verge3D is an easy-to-use and powerful WebGL engine, so that designers and artists can easily develop interactive web applications. It's easy to get started, with the hands-on tutorials and detailed documentation, anyone can learn the working pipeline step by step. moreover, the update frequency of the development team is very high, keeping consistent with the latest Internet standards, providing many possibilities.

Their puzzle system easy to understand and good for fast results. 3D app export system works well. Their support forum is kinda ok. They don't answer your every question but usually you can find entry level problems solving methods in forum.

I am amazed by how so many details qnd customizations have been included. If you have used 3D modeling softwares before, this is a go to.