Gabedit

Gabedit is a Graphical User Interface to GAMESS (US), GAUSSIAN, MOLCAS, MOLPRO ,MPQC and Q-Chem computational chemistry packages.

Major features

 * builds molecules by atom, ring, group, amino acid and nucleoside.
 * Creates input file for GAMESS (US), GAUSSIAN, MOLCAS, MOLPRO, MPQC and Q-Chem.
 * Reads output from the ab initio packages GAMESS (US), GAUSSIAN, MOLCAS, MOLPRO, MPQC and Q-Chem, and supports a number of other formats.
 * Displays molecular orbitals or electron density as contour plots or 3D grid plots and output to a number of graphical formats.
 * Animates molecular vibrations, contours, isosurfaces and rotation.