The Latest Chemical Industry News Save
The Latest Chemical News & Data from Icis 24/7. Free Trial.
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ADF Save
ADF, the Amsterdam Density Functional program for the treatment of complex chemical problems.
http://www.scm.com   

AOMix Save
A program for molecular orbital analysis. It calculates the MO compositions of the constituent chemical fragments from the output files of various quantum-chemical packages, analyzes chemical bonding using overlap populations, and generates density-of-states spectra. License required.
http://www.sg-chem.net/   

ArgusLab Save
A free molecular modeling program for Windows9x operating systems with 3D-builder, various ab initio calculation modules and simple molecular mechanics.
http://www.planaria-software.com/   

Atoms in Molecules (AIM2000) Save
Windows program for analyzing and visualizing molecules using the theory of Richard Bader. Demo version available.
http://www.aim2000.de   

Banned By Gaussian Save
Site critical of Gaussian, Inc.'s licensing practices. Reports allegations of Gaussian banning "competitors" from using their product.
http://www.bannedbygaussian.org/   

CASTEP - CAmbridge Serial Total Energy Package Save
Uses density functional theory to provide an atomic-level description of materials and molecules.
http://www.tcm.phy.cam.ac.uk/castep/   

CHEAQS Save
Free windows program for calculating chemical equilibria in aquatic systems. CHEAQS solves speciation problems and includes a customizable database of equilibrium constants.
http://home.tiscali.nl/cheaqs   

CHEMKED Save
Chemical kinetics of gas phase reactions. Databases, simulation, and analysis software for Windows. Demo version available.
http://mark.jelezniak.de/Chemked/   

CHEMKIN Collection Software Save
Simulates complex chemical kinetics in reacting flow.
http://www.chemkin.com/   

CONFLEX2000 Save
Commercial conformational searching and analysis tools for Linux, Mac OS X, and Windows. Compatible w/CAChe, ChemOffice, and Amber. Screen shots, data sheet, ordering, and trial versions available.
http://www.conflex.us/   

CRYSTAL Home Page Save
Unix program to compute the electronic structure of periodic systems within Hartree Fock, density functional or various hybrid approximations. Documentation, licensing, and downloads available.
http://www.crystal.unito.it/   

Chemical Kinetics Simulator Software Save
An easy-to-use, rapid, interactive method for the simulation of chemical reactions.
https://www.almaden.ibm.com/st/comput...   

Environment-Dependent Interatomic Potential (EDIP) Save
Codes in C and Fortran by Martin Z. Bazant to model interatomic forces in covalent solids and liquids which incorporates recent theoretical advances in understanding the environment-dependence of (sigma) chemical bonding in condensed phases.
http://www-math.mit.edu/~bazant/EDIP/   

Extensible Computational Chemistry Environment Save
Graphical user interface for Linux/Solaris/IRIX with visualization tools and a data management framework for setting up, submitting, and analyzing computational chemistry calculations.
http://ecce.emsl.pnl.gov/   

GAMESS UK WebGUI Save
Web interface for simplifying the creation of GAMESS UK input files and the processing of the output files.
http://www.photondesign.com   

GAMESS-UK Save
Free program derived from the original GAMESS code.
http://www.cse.clrc.ac.uk/qcg/gamess-uk/   

Gamess Save
An ab initio quantum chemistry package GAMESS. Developed by the Mark Gordon research group at Iowa State University. Site is not GAMESS-Uk.
http://www.msg.ameslab.gov/GAMESS/GAM...   

GaussSum Save
Collection of Python scripts which parse the output of Gaussian or GAMESS calculations to extract information such as the progress of the SCF cycles, geometry optimisation, UV-Vis/IR/Raman spectra, MO levels, and MO contributions.
http://gausssum.sourceforge.net/   

Jaguar Save
A general purpose ab initio electronic structure package that is capable of computing variety of properties based on various uncorrelated and correlated wavefunctions.
http://www.schrodinger.com/Products/j...   

MINEQL Save
Chemical equilibrium modeling system for low-temperature applications. Useful in aquatic chemistry applications.
http://www.mineql.com/mineql.html   

MOLCAS Save
Program for an accurate ab initio treatment of very general electronic structure problems for molecular systems in both ground and excited states. Online manuals, billboard and patches for MOLCAS.
http://www.teokem.lu.se/molcas/   

MOMix and ALP-Vibro Save
Programs for Quantum Chemistry. MOMix (electron population analysis). ALP-vibro (animation of molecular vibrations). Spectrum Wizard.
http://www.chem.yorku.ca/grad/SG/momi...   

MPQC Save
The "Massively Parallel Quantum Chemistry Program". Computes properties of atoms and molecules from first principles using the time independent Schrödinger equation. Free, available under the GPL.
http://www.mpqc.org/   

Moloc Save
Molecular Design Software Suite for Irix, Linux, and Windows. Includes features such as structure generation, molecular mechanics, conformational search, molecular dynamics, and similarity analysis. Free for academic users.
http://www.moloc.ch/   

Motofit Save
Co-refines Neutron and X-ray reflectometry data, using Parratt recursion and least squares fitting. It works in the IGOR Pro environment (TM Wavemetrics).
http://motofit.sourceforge.net   

ORCA Save
Ab initio, DFT and semiempirical SCF-MO package, with specific emphasis on spectroscopic properties of open-shell molecules. Free binaries for academic users are available for a variety of platforms.
http://ewww.mpi-muelheim.mpg.de/bac/l...   

PyQuante Save
"Python Quantum Chemistry" - an open-source suite of programs for developing quantum chemistry methods. Emphasis is on simplicity, rather than speed, but some bottlenecks are written in C.
http://pyquante.sourceforge.net/   

SHB_interactions Save
Free program based on Extended Hückel calculations and Mulliken overlap populations for measuring the strength of hydrogen bonds and other intermolecular interactions in drug-biopolimer complexes.
http://gw-chimie.math.unibuc.ro/staff...   

Spectra Save
Windows program for the interactive analysis of crystal field spectra of f-block elements.
http://chemistry.anl.gov/downloads/sp...   

Thermodynamic Modeling Save
About equilibrium composition, thermodynamic modeling, thermodynamic properties of substances, real gas properties, and computational thermodynamics.
http://gbelov.tripod.com   

WebMO Save
Web interface for the quantum chemistry packages MOPAC, Gaussian, and GAMESS. Free version available for download; pro version also available.
http://www.webmo.net/   

WinMopac Save
Free graphical version of MOPAC 7 for windows, with an integrated molecular viewer (RasWin). Used for semiempirical molecular orbital calculations with the MNDO, AM1, and PM3 methods.
http://www.psu.ru/science/soft/winmop...   

YAeHMOP Save
"Yet Another extended Huckel Molecular Orbital Package". Performs calculations and visualization for both molecular and extended materials in 1, 2, or 3 dimensions. Freely available in source form.
http://yaehmop.sourceforge.net/   

Zeta Potential Save
Zeta is a free (GPL) computer program which can be used to calculate the zeta potentials.
http://zeta-potential.sourceforge.net/   

Zori Save
Open source quantum chemistry program for atoms and molecules using the quantum Monte Carlo method.
http://www.zori-code.com/   

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