Software

Dioptas 

A GUI program for fast analysis of powder X-ray diffraction Images. It provides the capability of calibrating, creating masks, having pattern overlays and showing phase lines.
Releases · Dioptas/Dioptas (github.com)

DaFi

he program DAFi is a useful tool for the analysis of single-crystal X-ray diffraction data from polycrystalline samples, as its algorithm finds subsets of reflections in the reciprocal space belonging to the distinct crystallites.

Releases · AsMaNick/Domain-Auto-Finder (github.com)

Olex2 

Oex2 is an easy-to-use program containing everything you need to solve, refine and finish small-molecule crystal structures.
Installation Notes | OlexSys