CMM - Center for Molecular Modeling: Several tutorials related to molecular modeling, directory of software and links to databases.

Molecular Modeling Group (RSC) - One of the Specialist Interest Groups of the Royal Society of Chemistry. Links to research groups, meeting reports, software archives, selected articles.

Computational Chemistry Resources - Directory of links related to computational chemistry. Offers several tutorials for understanding the basics of molecular structure and molecular modeling techniques.

Gaussian Basis Set - Free download of many basis sets in different formats.

Molecular Dynamics - Contains an excellent primer for molecular dynamics with examples in Fortran, as well as some links.

Molecular Modeling - Links to information on chemical structures, graphics, slide shows, and modeling experiments.

Particle-Surface Resources on the Internet - Contrary to the title, also contains links to general molecular dynamics resources.

MatHub - Features current and background information about molecular modeling and informatics for chemistry and materials science.

Carbohydrates - Offers a number of free online services; focus is on carbohydrates.

Molecular Modelling Toolkit (MMTK) - A library for molecular modelling applications.

Drug Design Laboratory, Milan University - Molecular modeling resources, software and projects. Home of the programs Vega and BioDock.

Gamess - An ab initio quantum chemistry package GAMESS. Developed by the Mark Gordon research group at Iowa State University. Site is not GAMESS-Uk.

Molecules from Chemistry - Information on molecular fragments with pictures of the molecular models of various functional groups including alkanes, ketones, and alcohols.

Molecular Models for Biochemistry - Pictures of the molecular structure of amino acids. Also features common properties of all amino acids, peptide structures, and a protein structure quiz.

Ghemical - An easy-to-use molecular editor and modeling package with all-atoms molecular mechanics, reduced protein models and links to many common chemistry programs. Ghemical is released under the GNU GPL and includes source code.

Molecular Modeling for Organic Chemistry - Summary of lecture course which aims to introduce the hierarchy of computational modeling methods used in Organic Chemistry. Links to background and supplemental information.

MathMol - Provides students, teachers and researchers the basic concepts in mathematics and their connection to molecular modeling. Links to Software, 3D libraries and tutorials.

Computational Chemistry Toolkit - a free web based resource for carrying out on-line semiempirical computational chemistry calculations based on the GAMESS programm package. This page resides within the www.ChemWeb.com site.

ArgusLab - A free molecular modeling program for Windows9x operating systems with 3D-builder, various ab initio calculation modules and simple molecular mechanics.

TINKER - A free molecular modeling package for molecular mechanics and dynamics, with some special features for biopolymers. Distributed as source code and as binaries for Windows9x, Linux and Mac.

AutoDock - A suite of automated docking tools. It is designed to predict how small flexible molecules, such as substrates or drug candidates, bind to a receptor of known 3D structure.