X-rays

X-ray raytracing

XOP and shadow raytracing http://www.esrf.eu/home/Instrumentation/software/data-analysis/xop2.4/extensions.html

Ray-UI  http://www.helmholtz-berlin.de/forschung/oe/fg/nanometeroptik/science/layout/ray_de.html%20

XrayTracer Geant4 http://xraytracer.com/

I stumbled over a new tool called XRT for x-ray and …