Top THREE GitHub Repositories & Tools (2026)

Share is a browser-based BIM & CAD viewer and collaboration platform. Supports IFC, STEP, STL, OBJ, GLTF

A self-hosted digital asset manager for 3d print files.

A Minecraft mapping tool that creates 3D models of your Minecraft worlds and displays them in a web viewer.

Utsuwa is an open-source alternative to Grok Companion. This is a platform where you can have a virtual AI waifu that learns and grows with you, bundled with optional mechanics inspired by Japanese dating sim games.

ATON framework is based on modern web standards and technologies to create interactive, liquid and collaborative Web3D/WebXR apps targeting Cultural Heritage field. It adopts a “develop once, deploy everywhere” approach, providing building-blocks and a modular architecture

Interactive 3D atlas of oral and maxillofacial anatomy for dental education. 643 BodyParts3D meshes plus 77 schematic nerve, vessel, gland, sinus and joint structures the source dataset omits, fitted to this skull's own landmarks.

Semantic digital twin and 500-agent simulation laboratory for age-friendly research in historic districts.

Self-hosted house planner: true-scale 2D floor plan, 3D, satellite map overlay, sewer, electrical, water and underfloor heating with calculations, priced bill of materials. React + PHP, no database. By the team behind homedesignsai.pro

A Studio Ghibli / Makoto Shinkai style cycling game in Three.js. Toon-shaded Japanese countryside with four times of day - every mesh, texture and sound generated in code.

Arcade kart racer in the spirit of Mario Kart, built entirely with Three.js. 100% procedural assets. Built by five Claude Fable 5.1 sub-agents from one prompt.

200 web animation examples with copy-ready AI prompts + MotionLens: turn any site's animation into a prompt. React, TypeScript, Framer Motion, Three.js

Open-source platform for 3D AI agents. Turn text or a photo into a rigged, animated GLB avatar, give it an LLM brain, memory and a wallet, and embed it anywhere with one web component. Remote MCP server, x402 payments, Three.js, browser-native.

A generalized inverse kinematics solver that supports closed chains for parallel kinematics systems, dynamic reconfiguration, and arbitrary joint configuration based on damped least squares error minimization techniques

3D map visualization and web export plugin for QGIS

Open source previs software in the browser: block a scene, pose characters, author camera moves and cuts, then take the same shots to an AI video model.