Downloadable Freeware 1 OSRA – optical structure recognition  2 Diversity/similarity measure based on Hasse matrices 3 logP, water solubility and pKa(s) 4 Molecular Structure Formats Interconversion 5 DRAGON molecular descriptors 6 Partial Least Squares Regression 7 ChemDB/Smi2Depict: Generate 2D Images from Molecule Files 8 ChemDB/Babel: Molecule Format Converter 9 ChemDB/MolInfo: Calculate Assorted Information for a Molecule 10 ChemDB/PatternMatchCounter: Counts Functional Groups 11 ChemDB/PatternCountScreen: Screens by Functional Groups 12 JME Molecular Editor 13 Computational Chemistry List, Ltd. Software Archive 14 Chemistry Development Kit (CDK) - a Java library for bio- and chemoInformatics and computational chemistry. It is the basis of other projects like JChemPaint, Jmol, SENECA and NMRShiftDB. 15 Bioinformatics & Drug Design group [BIDD] - MODEL - Molecular Descriptor Lab for Computing structural and physichemical properties of molecules from their 3D structures. Get related paper 16 Bioinformatics & Drug Design [BIDD] Group's - MODEL (Molecular Descriptor Lab) for Computing structural and physichemical properties of molecules from their 3D structures. Get related paper 17 PowerMV: Software environment for statistical analysis, molecular viewing, descriptor generation and similarity search from NISS. 18 PASS (Prediction of Activity Spectra for Substances) supported by the Russian Foundation for Basic Research 19 Jmol - An open-source Java viewer for three-dimensional molecular structures 20 Molinspiration - allows drawing molecules and calculating their properties or prediction of their Bioactivity 21 Open Babel: The Open Source Chemistry Toolbox 22 Molecular Descriptors related online programs 23 World Index of Molecular Visualization Resources 24 ChemFile Browser 25 CAESAR Project 26 DEMETRA Project 27 ScreeningAssistant - software to manage chemical databases from University of Orleans