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Why Cesium
- Why Cesium
  Our unique approach to advancing 3D geospatial technology
- Open Ecosystem
  Open standards, open APIs, and open source software
- 3D Tiles
  An open specification for streaming massive 3D content
- Cesium in the Metaverse
  Our role in the metaverse: 3D geospatial solutions, facilitating openness and interoperability, and research
- User Stories
  Customer and community applications powered by Cesium
  - Submit Your Story
- Events
  Industry events where you can find the Cesium team
Platform
- The Cesium Platform
  The end-to-end platform for 3D geospatial
- Cesium ion
  Tiling, 3D global content & hosting in the cloud
- CesiumJS
  Open source 3D visualization for the web
- Cesium for Unreal
  Enabling the 3D geospatial ecosystem in Unreal Engine
  - Download from UE Marketplace
- Cesium for O3DE
  3D geospatial capability for Open 3D Engine (O3DE)
- Downloads
  CesiumJS, Cesium Tiling Pipeline & Cesium ion SDK
Industries
Use Cases
Learn
- Documentation & Tutorials
  Hands-on tutorials, API references & other documentation
- Live Code Examples
  Sandcastle, a live-coding app for CesiumJS examples
- Presentations
  Slides, videos, and other Cesium presentation materials
- Community Forum
  The fastest way to get answers from the community and team
Blog
Podcast

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The Platform for 3D Geospatial

Cesium is the open platform for software applications designed to unleash the power of 3D data.

Trusted by thousands

Developer Platform

Everything your software application needs to utilize 3D geospatial data: visualization, data pipelines, curated data, and analytics.

Mission Support

We proudly collaborate with government agencies and the United States Department of Defense.

Digital Transformation

We work with select partners to bring about industry-wide innovations.

Build Innovative 3D Geospatial Applications

Cesium empowers developers across industries to maximize the potential of their 3D data.

More about Cesium

3D model of center city Philadelphia, Pennsylvania in shades of pink, purple, gray, and green.

Performant

Best in class implementation of 3D Tiles for streaming massive amounts of data.

Image showing mesh triangles over a construction site in Cesium.

Precise

Visualize and analyze your data on the world's most precise rendering engine.

Aerial view of a real-world cityscape in Cesium for Unreal

Open

Open and interoperable to support data compatibility and community collaboration.

Get started with a free Cesium ion community account

What's New

Introducing Building the Open Metaverse, a podcast from Cesium CEO Patrick Cozzi and Marc Petit of Epic Games.