Inception 2011
A team at Analytical Graphics, Inc. developed CesiumJS for global-scale aerospace visualization.
Press
Cesium is an open platform for creating 3D applications that are fast, flexible, and based on real-world geospatial data. Learn more about Cesium.
For press inquiries, contact press@cesium.com
Launch 2019
As an independent venture-backed company to build the open platform for 3D geospatial applications.
Team
Get to know our team.
Philly-proud
Cesium is based in Philadelphia, Pennsylvania.
Community
We believe that collaboration is the key to innovation.
Openness and Interoperability
Dedicated to open standards, open source software, and interoperability across the ecosystem.
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Featured News
How 3D Tiles is Creating a New Streaming Protocol for Games and the Metaverse
"VentureBeat caught up with Patrick Cozzi, CEO of Cesium, who conceived the idea for 3D Tiles."
From
What is the metaverse? A Philly tech CEO explains.
CEO Patrick Cozzi said Cesium is deeply involved in building the metaverse and is one of the strongest advocates for making sure it is open and interoperable.
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Epic Games teams up with Cesium to bring 3D geospatial data to Unreal
"Cesium’s expertise in cloud-based geospatial software and emphasis on open standards for streaming massive amounts of 3D content fits with Epic’s vision for an open metaverse."
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Geography and games play well together
"Collaboration and commitment to openness between geospatial and game technologists is driving innovation in both fields – and across industries."
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Uber Air takes one software step toward the sky
"Tomorrow's flying Uber vehicles will rely on Cesium's open-source 3D geospatial software for its in-air driving."
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Cesium makes construction smarter with drones, 3D visualization, and Komatsu deal
"Cesium has created a way for construction sites to collect and channel their visual data so that it can be useful for keeping tabs on a construction project’s progress."
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Press Releases
Cesium Announces First Ecosystem Grant Recipients - May 16, 2023
Cesium Partners with Google Maps Platform to Render its New Photorealistic 3D Tiles - May 11, 2023
Cesium Announces $1 Million Ecosystem Grants - March 28, 2023
Cesium Announces Cesium for Omniverse in Collaboration with NVIDIA - March 21, 2023
Cesium for Unity Now Available - November 30, 2022
Cesium Launches Developer Certification Program - October 11, 2022
Building the Open Metaverse Full Day Course at SIGGRAPH - August 4, 2022
Building the Open Metaverse Podcast: October 28 - October 27, 2021
Dr. Norm Badler, Computer Graphics Pioneer, Joins Cesium to Lead Metaverse Research - September 21, 2021
SIGGRAPH Session Convenes Tech Leaders on the Open Metaverse - August 9, 2021
Cesium Releases Free 'Cesium for Unreal' for All Creators - March 30, 2021
Santa Claus Plans Socially Distant Visit to the International Space Station - December 10, 2020
Philly Geospatial Startup Racks Up Awards - October 7, 2020
More News
Parametrix Engages Communities and Wins Bids with Cesium
Written by 
Dan Zucker,
"The most brilliant engineering designs, no matter how well crafted, remain unrealized until their vision can be clearly communicated and understood by all stakeholders," said Wayne Sullivan, visualization lead at infrastructure engineering and consulting firm Parametrix. This philosophy drives Parametrix’s Advanced Visualization team: a group of software engineers and 3D artists using Cesium for Unreal, Cesium ion, and Google Photorealistic 3D Tiles to enhance public outreach and help win project bids by making complex designs easier to understand.
In Cesium for Unreal, User Stories, AEC, Cesium ion, Photorealistic 3D Tiles
Cesium at SIGGRAPH 2025
Written by Jake Adelgren,
In 3D Tiles, Community, Events, Open Standards
Cesium Releases in August 2025
Written by Luke McKinstry,
In Cesium for Unreal, Cesium ion, Cesium for Unity, Cesium Release Roundup, CesiumJS
2025 Cesium Developer Conference Session Recordings Now Available
Written by Patrick Cozzi,
In Community, Events
Introducing Reality Modeling and AI-Powered Analysis Services with Cesium ion
Written by Lisa Bos,
In 3D Tiles, Analytics, Cesium ion
Applications Now Open: iTwin Activate Cohort Focusing on Cesium and 3D Tiles
Written by James Kress,
In 3D Tiles, Integrations, News
Warfighting, Software, and the OTA
Written by Susan Farley,
In User Stories, CesiumJS, Open Standards, Open Source, Federal & Defense