McXtrace is an innovative Monte Carlo ray-tracing software specifically designed for simulating X-ray beamlines and experiments. Launched in 2009 through a collaborative initiative involving institutions like the Niels Bohr Institute, DTU Physics, and the European Synchrotron Radiation Facility, this open-source package is distributed under the GPL license, making it accessible for a wide range of users. Key partners in the project include DTU Physics and Synchrotron SOLEIL, reflecting its strong academic and research foundations.

Built on a robust code base derived from the renowned McStas neutron ray-tracing package, McXtrace offers extensive capabilities for researchers in the field of X-ray optics. Users can access a wealth of resources, including documentation, manuals, and tutorials to facilitate their research. With a dedicated community contributing to its development and a central code repository on GitHub, McXtrace continues to evolve, catering to the needs of scientists and engineers involved in cutting-edge X-ray experiments and applications.