Cesium
@cesiumgs • The Platform for 3D Geospatial. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
57%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
10 repositories updated in the last 90 days.
Leading language
Unknown
Portfolio mix
Unknown (11), TypeScript (6), JavaScript (4)
Average size
79
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-09-15(3d ago)GitHub API fallback30 repositories
57%
of the visible star count comes from this organization's top three repositories.
79
stars per repository in this same snapshot.
Unknown
is the most common language here, with 10 repositories updated in the last 90 days.
Why this rank
This organization stands out because its public portfolio is relatively balanced across 30 repositories.
Balanced portfolio across 30 reposTop 3 share 57%
Organization pages work best when you separate portfolio breadth from flagship concentration. In Cesium's case, the visible top three repositories account for about 57% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Unknown (11), TypeScript (6), JavaScript (4). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | cesiumgs/3d-tiles-tools | TypeScript | 538 |
| 2 | cesiumgs/cesium-unity Bringing the 3D geospatial ecosystem to Unity | C# | 535 |
| 3 | cesiumgs/cesium-unity-samples Sample project for Cesium for Unity | C# | 291 |
| 4 | cesiumgs/cesium-unreal-samples Getting Started Sample Project for Cesium for Unreal | 229 | |
| 5 | cesiumgs/cesiumjs-skills Curated agent skills for CesiumJS development. | JavaScript | 178 |
| 6 | cesiumgs/cesium-o3de Cesium for O3DE | C++ | 96 |
| 7 | cesiumgs/cesium-omniverse Bringing the 3D geospatial ecosystem to Omniverse | C++ | 94 |
| 8 | cesiumgs/cdb-to-3dtiles Convert CDB to 3D Tiles | C++ | 92 |
| 9 | cesiumgs/cesium-ai-integrations Cesium AI Integrations is a collection of reference integrations and experiments connecting the Cesium ecosystem with AI systems including Model Context Protocol (MCP) tools, retrieval pipelines, and agent skills. | TypeScript | 89 |
| 10 | cesiumgs/cesium-vite-example The minimal recommended setup for an application using Cesium with Vite. | JavaScript | 62 |
| 11 | cesiumgs/cesium-unreal-vr-tutorial Unreal Engine project, assets, and code used in the Cesium for Unreal VR Tutorial Series | 36 | |
| 12 | cesiumgs/cesium-ion-revit-add-in | C# | 27 |
| 13 | cesiumgs/community Community resources applicable across Cesium's open-source projects. | 22 | |
| 14 | cesiumgs/cesium-omniverse-samples Sample projects for Cesium for Omniverse | 20 | |
| 15 | cesiumgs/3d-tiles-samples-generator | TypeScript | 17 |
| 16 | cesiumgs/cesium-wasm-utils | Rust | 15 |
| 17 | cesiumgs/cesiumjs-ai-starter-app A starter template for building LLM-powered 3D globe applications with CesiumJS and tool calling. | TypeScript | 8 |
| 18 | cesiumgs/cesium-o3de-samples Samples project for Cesium for O3DE | CMake | 8 |
| 19 | cesiumgs/cesiumjs-workshop CesiumJS Deep Dive Workshop for the annual Cesium Developer Conference | JavaScript | 7 |
| 20 | cesiumgs/eslint-config-cesium ESLint Configuration for Cesium | JavaScript | 5 |
| 21 | cesiumgs/spz-loader 🦎 .spz 3D Gaussian Splatting format data loader packages | TypeScript | 3 |
| 22 | cesiumgs/cesium-sandcastle | 2 | |
| 23 | cesiumgs/xatlas Mesh parameterization / UV unwrapping library | 2 | |
| 24 | cesiumgs/meshoptimizer Mesh optimization library that makes meshes smaller and faster to render | C++ | 2 |
| 25 | cesiumgs/terraform-aws-github-runner Terraform module for scalable GitHub action runners on AWS | 1 | |
| 26 | cesiumgs/landing-zone-accelerator-on-aws Deploy a multi-account cloud foundation to support highly-regulated workloads and complex compliance requirements. | TypeScript | 1 |
| 27 | cesiumgs/KTX-Software KTX (Khronos Texture) Library and Tools | 1 | |
| 28 | cesiumgs/spz 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 | 0 | |
| 29 | cesiumgs/conan-center-index Recipes for the ConanCenter repository | 0 | |
| 30 | cesiumgs/libjpeg-turbo Cesium fork of libjpeg-turbo for use with cesium-native | 0 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.