xrayutilities
a package with useful scripts for X-ray diffraction physicists
...It can read experimental data from several data formats (spec, edf, xrdml, ...); convert them to reciprocal space for arbitrary goniometer geometries and different detector systems (point, linear as well as area detectors); for further processing the data can be gridded (transformed to a regular grid).
More detailed description as well as documentation can be found at webpage http://xrayutilities.sourceforge.io/.
Downloads for windows can be found on http://pypi.python.org/pypi/xrayutilities
Development is performed on github: https://github.com/dkriegner/xrayutilities