United States Environmental Protection Agency
Allows a user to estimate toxicity without requiring any external programs.
Anderson Coser Gaudio
You can analyze quantitative models through regression analysis.
Pharmaceutical Excipients is an essential resource for formulators.
Milano Chemometrics and QSAR Research Group
It is a free tool for the analysis of molecular descriptor correlations.
ICM Chemist is a standalone suite of programs for chemical drawing and editing.