CesiumJS is an open source JavaScript library for creating world-class 3D globes and maps with the best possible performance, precision, visual quality, and ease of use. Developers across industries, from aerospace to smart cities to drones, use CesiumJS to create interactive web apps for sharing dynamic geospatial data.
Built on open formats, CesiumJS is designed for robust interoperability and scaling for massive datasets.
Install with NPM:
$ npm install cesiumor
CesiumJS is released under the Apache 2.0 license and is free for both commercial and non-commercial use.
With more than 1,000,000 downloads, CesiumJS powers apps that reach millions of users.
We believe that collaboration is rooted in openness and are committed to an open ecosystem.
Stream, style, and interact with 3D buildings, photogrammetry, and point clouds using the 3D Tiles open specification.
Visualize 3D models using glTF, the runtime asset format for WebGL.
Stream imagery and global terrain using open standards and custom tiling schemes.
Load KML, GeoJSON, and CZML, or use the API to draw a wide variety of features and geometry.
Leverage first-class support for time-dynamic simulation, real time telemetry streaming, and 4D visualization.
View your data and switch between three different map modes at runtime.
Explore the Quickstart tutorial or build your own flight tracker
