Purpose: Visualization
Latest version: 5.8
Licence: 
Free of use for non-commercial users
Proprietary
Website: http://cheminf.cmbi.ru.nl/molden/
Molden is a package for displaying Molecular Density from the Ab Initio packages GAMESS-UK , GAMESS-US and GAUSSIAN and the Semi-Empirical packages Mopac/Ampac, it also supports a number of other programs via the Molden Format.