Free 3D Website Builder: Polygonjs No-Code WebGL Scene Editor

Every decent startup landing page now has some kind of 3D effect — a glowing blob, a floating object, particles that react to mouse movement. I used to just accept that my sites would look flat, because anything involving WebGL seemed to require learning Three.js, shaders, and a whole bunch of other things I have no intention of picking up. So I'd ask my agent to add "something 3D" and get a slowly rotating grey cube.

Polygonjs takes a completely different approach. Its a node-based WebGL design tool — think Blender's node editor, but for building 3D scenes that live on your website. You connect nodes to create geometry, add materials, set up animations and post-processing effects. The whole thing runs in a visual editor, no code required. There's a web version at polygonjs.com where you can explore and prototype instantly, and when you're ready for production, there's a CLI to export scenes into any web project.

The editor is organized around node contexts: geometry nodes create shapes and terrain, material nodes handle shaders and textures, animation nodes control movement, and audio nodes let you tie sounds to scene events. Post-processing nodes add bloom, depth of field, ambient occlusion. Under the hood it all runs on Three.js, so anything that works in Three.js ecosystem works here too — models, textures, libraries. Once your scene looks right you export it and drop it into vanilla JS, React, Vue, or pretty much any web setup.

1How to add a 3D scene to your site

Start at polygonjs.com/demo — there's a live editor that runs right in the browser. Browse the examples, find something close to what you want, and get a feel for how nodes connect. When you're ready to put it in an actual project, describe what you saw to your agent and give it the GitHub link.

npm create polygonjs@latest

The CLI will ask you to pick a template — vanilla JS, Three.js, Vue, React, or React Three Fiber. After that the agent has a working project with the Polygonjs editor already wired in and can start building the scene you described.