# About - [Citing PowderLine](citing.md): the paper, the engines and the libraries behind them. - [Changelog](changelog.md): what changed in each release. - License: PowderLine is released under the [BSD 3-Clause license](https://github.com/NSLS2/PowderLine/blob/main/LICENSE). - Source code and issues: [github.com/NSLS2/PowderLine](https://github.com/NSLS2/PowderLine). PowderLine is developed at the National Synchrotron Light Source II (NSLS-II), Brookhaven National Laboratory. ```{toctree} :hidden: citing changelog ```