USAXS data reduction - " Indra" - this is package needed for reduction of USAXS data.This is widely applicable package which is used by SAXS and WAXS community around the world. Area detector data reduction - " Nika" - this is package for data reduction (2D -> 1D) of SAXS or WAXS (=powder diffraction) data generated using area detectors.Number of support tools (graphing, data manipulation etc.) is included. It can also analyze simple reflectivity data and has basic tools to evaluate WAXS (powder diffraction) data. Small-Angle Scattering data analysis - " Irena" - this is package for analysis of SAS (1D) data.Package description (= which package I need?) For installation instructions see specific page for each package. After 30 days it becomes feature limited demo. If you do not have a license for Igor Pro, you can install Igor Pro on your computer and it will run for 30 days as full featured demo version. All tools are for Igor Pro ( which currently has version 9.00.