ARGO is a program for analysis of electronic structure calculations
ECTk - The electrochemical tool kit
Libraries and scripts for molecular modelling written in Perl
OpenGrowth is a program which constructs de novo ligands for proteins.
An intuitive molecular editor and visualization tool
Rediscover the Simplicity http://www.atgclabs.com/
Calculator that takes care of measurement units.
Parallelized calculation of molecular similarities
acquire fluid properties from the NIST Chemistry WebBook