Awesome 3D Gaussian Splatting

Contents

• Papers & Documentation
• Implementations
• Viewers & Game Engine Support
• Tools & Utilities
• Learning Resources
• Sponsors

Papers & Documentation

Papers Database

Visit our comprehensive, searchable database of 3D Gaussian Splatting papers: Papers Database

Courses

• MIT Inverse Rendering Lectures (Module 2) - Academic deep dive into inverse rendering

Datasets

• NERDS 360 Multi-View dataset - High-quality outdoor scene dataset

Implementations

Official Reference

• Original Gaussian Splatting - The reference implementation by the original authors

Community Implementations

Frameworks

• Pointrix - Differentiable point-based rendering
• GauStudio - Unified framework with multiple implementations
• DriveStudio - Urban scene reconstruction framework
• GSCodecStudio - Compression and Dynamic splattings

Viewers & Game Engine Support

Game Engines

• Unity Plugin
• Unity Plugin (gsplat-unity)
• Unity Plugin (DynGsplat-unity) - For dynamic splattings
• Unreal Plugin (MLSLabsGaussianSplattingRenderer-UE) )
• Unreal Plugin (XV3DGS-UEPlugin)
• PlayCanvas Engine

Web Viewers

WebGL

• Splat Viewer
• Gauzilla
• Interactive Viewer
• GaussianSplats3D
• PlayCanvas Model Viewer
• SuperSplat Viewer

WebGPU

• EPFL Viewer
• WebGPU Splat

Desktop Viewers

Linux

• DearGaussianGUI
• LiteViz-GS

Native Applications

• Blender Add-on
• Blender Add-on (KIRI)
• Blender Add-on (404—GEN)
• iOS Metal Viewer
• OpenGL Viewer
• VR Support (OpenXR)
• ROS2 Support

Tools & Utilities

Data Processing

• Kapture - Unified data format for visual localization
• 3DGS Converter - Format conversion tool
• Point Cloud Editor - Web-based point cloud editing
• SPZ Converter - SPZ conversion tool
• gsbox Converter - PLY SPLAT SPZ SPX conversion tool
• SplatTransform - CLI tool for converting and editing splats
• GaussForge - C++/WASM-based conversion between PLY, SPZ, SPLAT, and KSPLAT.
• splatreg - pip-installable splat registration: align & merge two 3DGS scans into one SE(3)/Sim(3) frame (recovers scale), CLI + pure-PyTorch API, no manual gizmo.

Development Tools

• GSOPs for Houdini - Houdini integration tools
• camorph - Camera parameter conversion
• SuperSplat - Browser-based 3DGS editor

Learning Resources

Blog Posts

• 3DGS Introduction - HuggingFace guide
• Implementation Details - Technical deep dive
• Mathematical Foundation - Theory explanation
• Capture Guide - Image capture tutorial
• PyTorch Implementation - Curated implementation of Vanilla 3DGS in PyTorch

Talks

• Gaussian Splats: Ready for Standardization? - Metaverse Standards Forum 1/28/2025
• Unity Integration Guide - Metaverse Standards Forum 5/6/2025

Video Tutorials

• Getting Started (Windows)
• Gaussian Splats Town Hall - Part 2
• Two-Minute Explanation
• Jupyter Tutorial

Data

• NERDS 360 Multi-View dataset for Outdoor Scenes

Courses

• MIT Inverse Rendering Lectures (Module 2)

Open Source Implementations

Reference

• Gaussian Splatting

Unofficial Implementations

2D Gaussian Splatting

• jupyter notebook 2D GS splatting

Gaussian Style Transfer

• Direct Gaussian Style Optimization (DGSO): Stylizing 3D Gaussian Splats - Applying style transfer during gaussian optimization to produce stylized gaussian splats of a scene.

Game Engines

• Unity
• PlayCanvas
• Unreal

Viewers

• WebGL Viewer 1
• WebGL Viewer 2
• WebGL Viewer 3
• WebGPU Viewer 1
• WebGPU Viewer 2
• WebGPU Viewer 3
• Three.js
• A-Frame
• Nerfstudio Unofficial
• Nerfstudio Viser
• Blender (Editor)
• WebRTC viewer
• iOS & Metal viewer
• jupyter notebook
• PyOpenGL viewer (also with official CUDA backend)
• PlayCanvas Viewer
• gsplat.js
• Splatapult - 3d gaussian splatting renderer in C++ and OpenGL, works with OpenXR for tethered VR
• 3DGS.cpp - cross-platform, high performance 3DGS renderer in C++ and Vulkan Compute, supporting Windows, macOS, Linux, iOS, and visionOS
• vkgs - cross-platform, high performance 3DGS renderer in C++ and Vulkan Compute/Graphics
• spaTV - WebGL Viewer for 4D Gaussians (based on SpaceTime Gaussian) with demo here
• Taichi Viewer
• uc-vision-splat-viewer(3D gaussin splatting renderer with benchmarking capability)
• splatviz - Viewer that allows you to edit the rendering code during runtime or to display multiple scenes at once.
• Houdini Gaussian Splatting Viewport Renderer - A HDK/GLSL implementation of Gaussian Splatting in Houdini

Utilities

• Kapture - A unified data format to facilitate visual localization and structure from motion e.g. for bundler to colmap model conversion
• Kapture image cropper script - Undistorted image cropper script to remove black borders with included conversion instructions
• camorph - A toolbox for conversion between camera parameter conventions e.g. Reality Capture to colmap model
• 3DGS Converter - A tool for converting 3D Gaussian Splatting .ply files into a format suitable for Cloud Compare and vice-versa
• SuperSplat - Open source browser-based tool to clean/filter, reorient and compress .ply/.splat files
• SpectacularAI - Conversion scripts for different 3DGS conventions
• GSOPs - GSOPs (Gaussian Splat Operators) for SideFX Houdini. Import, edit, and export models, or generate synthetic training data
• Point Cloud Editor - Clean and edit pointclouds from that are in colmap sparse format in a browser to improve reconstruction results
• VGGT Factor Refinement - COLMAP-free reconstruction pipeline using VGGT + factor graph. One command from video to COLMAP-format output for 3DGS training. Works on 8GB+ GPUs.

Tutorial

• Tutorial from the authors of 3DGS

Framework

• Pointrix - A differentiable point-based rendering framework.
• msplat - A modular differential gaussian rasterization library.
• GauStudio - Unified framework with different paper implementations
• DriveStudio - A 3DGS framework for omni urban scene reconstruction and simulation.
• gaussian-splatting-lightning - A 3D Gaussian Splatting framework with various derived algorithms and an interactive web viewer

Other

• My-exp-Gaussians - Enhancing the ability of 3D Gaussians to model complex scenes
• 360-gaussian-splatting - Generate gaussian splatting directly from 360 images

Blog Posts

1. Gaussian Splatting is pretty cool
2. Making Gaussian Splats smaller
3. Making Gaussian Splats more smaller
4. Introduction to 3D Gaussian Splatting
5. Very good (technical) intro to 3D Gaussian Splatting
6. Write up on some mathematical details of the 3DGS implementation
7. Discussion about gs universal format
8. Math explanation to understand 3DGS
9. Compressing Gaussian Splats
10. Comprehensive overview of Gaussian Splatting
11. Gaussian Head Avatars: A Summary
12. NeRFs vs. 3DGS
13. Howto capture images for 3DGS
14. Mathematical details of forward and backward passes
15. 3D in Geospatial: NeRFs, Gaussian Splatting, and Spatial Computing

Tutorial Videos

1. Getting Started with 3DGS for Windows
2. How to view 3DGS Scenes in Unity
3. Two-minute explanation of 3DGS
4. Jupyter notebook tutorial
5. Intro to gaussian splatting (and Unity plugin)
6. Computerphile 3DGS explanation

Credits

• Thanks to Leonid Keselman for informing me about the release of the paper "Real-time Photorealistic Dynamic Scene Representation and Rendering with 4D Gaussian Splatting".
• Thanks to Eric Haines for suggesting the jupyter notebook viewer, windows tutorial and for fixing text hyphenations and other issues.
• Thanks to Henry Pearce for maintaining contributions.
• Yehe Liu