Repositories list

• glTF

  Public

  CesiumGS/glTF’s past year of commit activity
  glTF – Runtime 3D Asset Delivery

  HTML

  •

  Other

  •1.2k1.2k forks•3737 stars•00 issues•44 pull requests•Updated May 20, 2026May 20, 2026

• cesium-unreal

  Public

  CesiumGS/cesium-unreal’s past year of commit activity
  Bringing the 3D geospatial ecosystem to Unreal Engine

  geospatialcesiumue4+ 2

  geospatialcesiumue43dtilesunreal-engine-plugin

  C++

  •

  Apache License 2.0

  •353353 forks•1.2k1.2k stars•179179 issues•1212 pull requests•Updated May 20, 2026May 20, 2026

• cesium

  Public
  An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

  webglgeospatialgis+ 6

  webglgeospatialgiscesiumczmlgltf3d3d-globe3d-tiles

  JavaScript

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  Apache License 2.0

  •3.8k3.8k forks•15k15k stars•1.5k1.5k issues•8181 pull requests•Updated May 20, 2026May 20, 2026

• cesium-native

  Public
  C++

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  Apache License 2.0

  •264264 forks•591591 stars•126126 issues•1212 pull requests•Updated May 20, 2026May 20, 2026

• 3d-tiles-tools

  Public
  TypeScript

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  Apache License 2.0

  •7070 forks•519519 stars•3838 issues•55 pull requests•Updated May 19, 2026May 19, 2026

• quantized-mesh

  Public
  Specification for streaming massive terrain datasets for 3D visualization.

  terraincesiumspecification

  terraincesiumspecification

  4747 forks•297297 stars•77 issues•11 pull request•Updated May 19, 2026May 19, 2026

• cesium-unity

  Public

  CesiumGS/cesium-unity’s past year of commit activity
  Bringing the 3D geospatial ecosystem to Unity

  C#

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  Apache License 2.0

  •116116 forks•501501 stars•111111 issues•1515 pull requests•Updated May 19, 2026May 19, 2026

• cesiumjs-skills

  Public
  JavaScript

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  Apache License 2.0

  •88 forks•6060 stars•44 issues•11 pull request•Updated May 14, 2026May 14, 2026

• 3d-tiles

  Public

  CesiumGS/3d-tiles’s past year of commit activity
  Specification for streaming massive heterogeneous 3D geospatial datasets :earth_americas:

  terraingeospatialgis+ 9

  terraingeospatialgispoint-cloudspecificationogcspatial-datavector-dataphotogrammetrygltf+ 2

  Batchfile

  •487487 forks•2.5k2.5k stars•8686 issues•44 pull requests•Updated May 11, 2026May 11, 2026

• cesium-ai-integrations

  Public
  Cesium AI Integrations is a collection of reference integrations and experiments connecting the Cesium ecosystem with AI systems including Model Context Protoco…

  aimcpgeospatial+ 8

  aimcpgeospatialcesiumcesiumjs3d-visualizationai-agentsai-toolsmodel-context-protocolagent-skills+ 1

  TypeScript

  •

  Apache License 2.0

  •99 forks•7272 stars•77 issues•44 pull requests•Updated May 4, 2026May 4, 2026

• cesium-unity-samples

  Public
  Sample project for Cesium for Unity

  C#

  •

  Apache License 2.0

  •5050 forks•282282 stars•22 issues•22 pull requests•Updated May 1, 2026May 1, 2026

• cesium-unreal-samples

  Public
  Getting Started Sample Project for Cesium for Unreal

  Apache License 2.0

  •5353 forks•223223 stars•1212 issues•00 pull requests•Updated May 1, 2026May 1, 2026

• KTX-Software

  Public
  KTX (Khronos Texture) Library and Tools

  C

  •

  Other

  •303303 forks•11 star•00 issues•00 pull requests•Updated May 1, 2026May 1, 2026

• eslint-config-cesium

  Public
  ESLint Configuration for Cesium

  JavaScript

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  Apache License 2.0

  •11 fork•44 stars•00 issues•00 pull requests•Updated Apr 24, 2026Apr 24, 2026

• libcitygml

  Public
  C++ Library for CityGML Parsing and Visualization

  C++

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  GNU Lesser General Public License v2.1

  •5959 forks•88 stars•00 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• collada-dom

  Public
  COLLADA Document Object Model (DOM) C++ Library

  C++

  •4747 forks•33 stars•00 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• gltf-pipeline

  Public
  Content pipeline tools for optimizing glTF assets. :globe_with_meridians:

  gltf3d-converter

  gltf3d-converter

  JavaScript

  •

  Apache License 2.0

  •259259 forks•2.1k2.1k stars•9696 issues•55 pull requests•Updated Apr 3, 2026Apr 3, 2026

• spz-loader

  Public
  🦎 .spz 3D Gaussian Splatting format data loader packages

  TypeScript

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  Apache License 2.0

  •55 forks•33 stars•00 issues•00 pull requests•Updated Mar 23, 2026Mar 23, 2026

• 3d-tiles-validator

  Public
  Validator for 3D Tiles :vertical_traffic_light:

  3d-tiles

  3d-tiles

  TypeScript

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  Apache License 2.0

  •155155 forks•474474 stars•3333 issues•22 pull requests•Updated Mar 15, 2026Mar 15, 2026

• cesium-omniverse

  Public
  Bringing the 3D geospatial ecosystem to Omniverse

  geospatialcesium3dtiles+ 2

  geospatialcesium3dtilesomniverseomniverse-kit-extension

  C++

  •

  Apache License 2.0

  •88 forks•8686 stars•111111 issues•11 pull request•Updated Mar 4, 2026Mar 4, 2026

• cesium-omniverse-samples

  Public
  Sample projects for Cesium for Omniverse

  Apache License 2.0

  •22 forks•1818 stars•00 issues•00 pull requests•Updated Mar 2, 2026Mar 2, 2026

• obj2gltf

  Public
  Convert OBJ assets to glTF

  gltf3d-converter

  gltf3d-converter

  JavaScript

  •

  Apache License 2.0

  •310310 forks•1.8k1.8k stars•6565 issues•44 pull requests•Updated Nov 19, 2025Nov 19, 2025

• cesium-unreal-vr-tutorial

  Public
  Unreal Engine project, assets, and code used in the Cesium for Unreal VR Tutorial Series

  Apache License 2.0

  •55 forks•3636 stars•55 issues•11 pull request•Updated Oct 6, 2025Oct 6, 2025

• cesium-ion-revit-add-in

  Public
  C#

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  Apache License 2.0

  •66 forks•2727 stars•3434 issues•00 pull requests•Updated Sep 30, 2025Sep 30, 2025

• xatlas

  Public
  Mesh parameterization / UV unwrapping library

  C++

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  MIT License

  •259259 forks•22 stars•00 issues•00 pull requests•Updated Sep 23, 2025Sep 23, 2025

• cesium-ion-rest-api-examples

  Public
  Code examples for using the Cesium ion REST API :earth_americas:

  cesium-ion

  cesium-ion

  JavaScript

  •1717 forks•3737 stars•33 issues•11 pull request•Updated Aug 15, 2025Aug 15, 2025

• spz

  Public
  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 Ni…

  C++

  •

  MIT License

  •100100 forks•00 stars•00 issues•00 pull requests•Updated Jul 11, 2025Jul 11, 2025

• cesiumjs-workshop

  Public
  CesiumJS Deep Dive Workshop for the 2025 Cesium Developer Conference

  JavaScript

  •

  Apache License 2.0

  •55 forks•55 stars•11 issue•11 pull request•Updated Jul 2, 2025Jul 2, 2025

• cesium-workshop

  Public
  An example application that visualizes and annotates a 3D city using the Cesium platform.

  tutorialcesium

  tutorialcesium

  JavaScript

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  Apache License 2.0

  •101101 forks•168168 stars•33 issues•00 pull requests•Updated Jul 2, 2025Jul 2, 2025

• cesium-wasm-utils

  Public
  Rust

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  Apache License 2.0

  •00 forks•1616 stars•22 issues•00 pull requests•Updated Apr 25, 2025Apr 25, 2025