ReX is a powder diffraction analysis software based on the Rietveld method, providing a convenient environment to perform quantitative evaluation of powder data. ReX offers a flexible parameter-based architecture for the optimization of structural and microstructural related quantities, coupled with an intuitive and modern user interface.

You can get the latest ReX version from the download page and then have a look at the documentation.

If you find ReX useful for your research work, please use the following reference:

M. Bortolotti, L. Lutterotti and I. Lonardelli, ReX: a computer program for structural analysis using powder diffraction data, J. Appl. Cryst. (2009). 42, 538-539, doi:10.1107/S0021889809008309