MultiSIMNRA program for the simulation and analysis (self-consistent fitting) of multiple RBS, EBS, ERD, and NRA spectra using SIMNRA DataFurnace program for the simulation and analysis (self-consistent fitting) of multiple PIXE, RBS, EBS, ERD, NRA, PIGE, NRP, NDP spectra NDF free version of NDF (the calculation engine underlying DataFurnace) for the simulation of IBA spectra GUPIX program for the simulation and analysis of PIXE spectra Software for PIXE analysis Intercomparison of PIXE spectrometry software packages Aachen-ion-beams Hardware and software for ion-beam analysis and µ-beam applications Materials science