This project provides .NET and Java libraries for writing CZML content for use with Cesium.
This project also contains the CZML specification which defines the structure of CZML.
Apache 2.0. czml-writer is free for both commercial and non-commercial use.
Binary releases are available on NuGet, or on the releases page.
Binary releases are available for download on the releases page.
Check out the wiki, including the quick start. Also browse the forum for questions on Cesium.