My favorite software and other useful links
BornAgain
GISANS and GISAXS simulation and fit suite
SasView
SAXS plotting, fitting and analysis software
Scatter
SAXS analysis and simulation software
DPDAK
Large data-set treatment of 2D-detector images
ImageJ
Universal tool for image treatment and analysis
IsGISAXS
Old GISAXS analysis and simulation software - no updates, no support
Fit2D
Old 2D x-ray data treatment and conversion software - no updates, no support
IsGISAXS Manual
Detailed theoretical part
GISAXS Page by D.M. Smilgies
Lots of illustrations, examples and references
gisaxs.com
Theory, technical articles, beamlines, user community - by Kevin Yager from BNL
Small-angle X-ray and neutron scattering
Nature Reviews Methods Primers, free access (2021)
x-ray data booklet
Lawrence Berkeley National Laboratory
x-ray elements
Periodic table of elements with x-ray properties
x-ray absorption edges
Periodic table of elements with x-ray absorbtion edges
mineralogy database
X-ray diffraction and mineralogy database with search function