Cesium
Cesium is the open platform for software applications designed to unleash the power of 3D data.
Last updated September 10, 2026
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Overview
Cesium began in 2011, when a team of developers at aerospace software company Analytical Graphics, Inc. (now Ansys) set out to create an application to visualize objects in space. Led by computer graphics expert Patrick Cozzi, the project produced a virtual globe and was released as open source in 2012. Cesium spun out as an independent company in 2019 and today provides the foundational open platform for an interoperable geospatial ecosystem, offering a mix of open source and commercially available software.
History
Cesium began in 2011, when a team of developers at aerospace software company Analytical Graphics, Inc. (now Ansys), set out to create an application to visualize objects in space. Led by computer graphics expert Patrick Cozzi, the project produced the world's most accurate, performant, and time-dynamic virtual globe. Dubbed "Cesium" after the element that makes atomic clocks famously accurate, it was released as open source in 2012. Cesium spun out as an independent company in 2019 and today provides the foundational open platform for an interoperable geospatial ecosystem.
Products and positioning
The platform for 3D geospatial; an ecosystem built on openness, advancing open standards like 3D Tiles and supporting interoperability and collaboration.
CesiumJS
Open source, best-in-class for accurate 3D visualization on the web.
Cesium for Unreal
Open source, first high-precision (WGS84) globe for game engines.
Cesium for Unity
Open source, 3D geospatial capability for the Unity ecosystem.
Cesium for O3DE
Open source, WGS84 globe for the open source Open 3D Engine.
Cesium for Omniverse
Open source, 3D geospatial capability in NVIDIA Omniverse.
3D Tiles
The foundational OGC community standard for the 3D geospatial ecosystem.
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