[](https://travis-ci.org/CesiumGS/cesium)
[](https://cesium.com/docs/)
CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin. It uses WebGL for hardware-accelerated graphics, and is cross-platform, cross-browser, and tuned for dynamic-data visualization.
[CesiumJS Homepage](https://cesium.com/cesiumjs)
[CesiumJS Features Checklist](https://github.com/CesiumGS/cesium/wiki/CesiumJS-Features-Checklist)
### :rocket: Get Started
Visit the [Downloads page](https://cesium.com/downloads/) or use the npm module:
```
npm install cesium
```
Have questions? Ask them on the [community forum](https://community.cesium.com/).
Interested in contributing? See [CONTRIBUTING.md](CONTRIBUTING.md). :heart:
### :snowflake: Mission
Our mission is to create the leading 3D globe and map for static and time-dynamic content, with the best possible performance, precision, visual quality, platform support, community, and ease of use.
### :green_book: License
[Apache 2.0](http://www.apache.org/licenses/LICENSE-2.0.html). CesiumJS is free for both commercial and non-commercial use.
### :earth_americas: Where Does the 3D Content Come From?
CesiumJS can stream 3D content such as terrain, imagery, and 3D Tiles from the commercial [Cesium ion](https://cesium.com/blog/2018/03/01/hello-cesium-ion/)
platform and other content sources. You are free to use any combination of content sources with CesiumJS that you please.
Using Cesium ion helps support CesiumJS development. :heart:
### :clap: Featured Demos
