The Helios simulation system (formerly Cronus) is a versatile modeling framework that handles tasks such as managing 3D model geometry and associated data structures through a C++ API. Plug-ins build off of the Helios core engine, and access the geometry and data via the Helios context. The sytem comes with a visualization plug-in that can produce stunning renderings of model geometry and data with relatively little effort.

For a more complete description of the code and full documentation, follow this link:

Helios is made publicly available under the GNU GPLv3 license. The latest version can be downloaded at

Financial support provided by:
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