Gaussian Splatting GitHub Repositories (2026) · Open Source Tools

Cross-vendor 3D Gaussian Splatting trainer - video to splat to mesh, Vulkan or CUDA.

Open Reality: phone video to AI-queryable 3D scenes. MCP tools for Claude/Codex/Cursor (npm openreality-mcp), the self-hostable broker, and the VGGT-SLAM library, in one repo. BSD-2-Clause.

Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF

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

CLI tool and library for 3D Gaussian splat processing and conversion

High performance 3D Gaussian Splatting (3DGS) renderer for Three.js. WebGPU and WebGL2. Supports PLY, SPZ, Streaming LOD including SOG, RAD and LCC2.

Free, open-source 3D sculpting for Linux, macOS and Windows: dense meshes, remeshing, painting, built-in AI (image/text to 3D), Send to Unreal, game-ready LODs, Gaussian splats and OpenUSD.

Adaptive video frame extraction for SfM, Gaussian Splatting, and photogrammetry.

900 arXiv-verified 3DGS methods · 15 AI agent skills · MCP server (34 tools) · open ebook — the AI-native entry to 3D Gaussian Splatting research

A cross-platform C++20 3D library with Python bindings and the high-level API of three.js.

Train, inspect, edit, automate, and export 3D Gaussian Splatting scenes from a single native application.

Toy Gaussian Splatting visualization in Unity

File format for 3D Gaussian splats. About 10x smaller than the PLY equivalent with virtually no perceptible loss in visual quality. Offered as open source by Niantic Labs. More details at https://scaniverse.com/spz #3dgaussiansplats #gaussiansplatting

User-friendly, high-performance viewer for 3D Gaussian splats

Immutable mesh processing library

The Open Source 3D Reconstruction Toolbox for Gaussian Splats provides an end-to-end, pipeline-based guidance on AWS to reconstruct 3D scenes or objects from images or video inputs.