There are also transparent links to SUPERFLIP (Lucas Palatinus’s structure solution by charge flipping), MCE (a Fourier map and voids viewer by Rohlicek & Husak) both of which are distributed with CRYSTALS. The download contains CRYSTALS, Cameron and specially recompiled versions of SIR92 and SHELXS. CRYSTALS is a software package for single crystal X-ray structure refinement and analysis.