Atoms Molecules Ions
A Java based molecular modeling program. Has support for generating movies by interpolating between given positions, interactive display and manipulation of atoms and bonds, and dynamic modeling of substance formation.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 1.4 MB | Download (48): MolMaster Download |
Molsketch is a 2D molecular editing tool. Its goal is to help you draw molecules quick and easily. Of course you're creation can be exported afterwards in high quality in a number of vector and bitmap formats.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 270.32 KB | Download (44): Molsketch Download |
A Mass Spectrometer B and Y ion labeling software for proteomics researchers. Peptide sequences can be read from a library and b and y ions will be calculated and sequence can be manipulated by the user (chem. mod. or amino acid mod.)
Platforms: Windows, Mac, Linux
License: Freeware | Size: 102.16 KB | Download (47): Proteomic Mass Spectrometer Interface Download |
PFMD performs a Molecular Dynamics simulation of some polarizable fluids at the liquid state by means of a dissociable potential. Supported molecules are H2O (water) and MX3, where M is a metal among Al, Fe, or Ga and X is a halogen among Cl, Br, or I.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 347.03 KB | Download (46): Polarizable Fluids Molecular Dynamics Download |
PyMOL is a Python-enhanced molecular graphics tool. It excels at 3D visualization of proteins, small molecules, density, surfaces, and trajectories. It also includes molecular editing, ray tracing, and movies. Open Source PyMOL is free to everyone!
Platforms: Windows, Mac, BSD, Solaris, Linux
License: Freeware | Size: 9.25 MB | Download (54): PyMOL Molecular Graphics System Download |
A collection of cheminformatics and machine-learning software written in C++ and Python.
The core algorithms and data structures are written in C++. Wrappers are provided to use the toolkit from either Python or Java.
Additionally, the RDKit distribution includes a PostgreSQL-based cartridge...
Platforms: Windows, Mac, BSD, Linux
License: Freeware | Size: 10.64 MB | Download (46): RDKit Download |
Gabedit is a Graphical User Interface to Gamess-US, Gaussian, Molcas, Molpro, MPQC and Q-Chem computational chemistry packages.Gabedit includes graphical facilities for generating keywords and options, molecule specifications and their input sections for even the most advanced calculation...
Platforms: *nix, C/C++, BSD
License: Freeware | Download (59): Gabedit Download |
StoichTools comprises a set of Matlab functions for doing stoichiometric analysis. These functions parse standard chemical notation for a variety of stoichiometric calculations including finding molecular weights, balancing reactions for atom and charge conservation, finding independent...
Platforms: Matlab
License: Freeware | Size: 71.68 KB | Download (50): Stoichiometry Tools Download |
This software has been realized by Bret Fortenberry at the CNS Technology Lab at Boston University (http://techlab.bu.edu/). A model to show the properties of EPSPs and IPSPs in the postsynaptic cell. The model allows a user to adjust the number of EPSP and IPSP inputs, the rise and fall times...
Platforms: Matlab
License: Freeware | Size: 2.5 MB | Download (39): Excitatory and inhibitory post-synaptic potentials Download |
Swiss-PdbViewer (aka DeepView) is an application that provides a user friendly interface allowing to analyze several proteins at the same time. The proteins can be superimposed in order to deduce structural alignments and compare their active sites or any other relevant parts. Amino acid...
Platforms: Mac
License: Freeware | Size: 13.36 MB | Download (36): DeepView Download |
This simulation allows students to compare the motion of free falling objects with and without the influence of air resistance. Air resistance is the result of collisions of the object's leading surface with air molecules. On Earth, objects falling through the air usually encounter some sort of...
Platforms: Mac
License: Freeware | Size: 1.41 MB | Download (41): Free Fall Air Resistance Model Download |
Fragmentation Analyzer is a tool for analyzing MS/MS fragmentation data. Currently nine different analysis types are supported: * Spectra Visualization - visualize the MS/MS spectra with fragment ion annotation, zooming and manual de-novo-sequencing. * Intensity Box Plots - analyze intensity...
Platforms: Mac
License: Freeware | Size: 15.27 MB | Download (34): Fragmentation Analyzer Download |
The EJS Molecular Dynamics model is constructed using the Lennard-Jones potential truncated at a distance of 3 molecular diameters. The motion of the molecules is governed by Newton's laws, approximated using the Verlet algorithm with the indicated time step. For sufficiently small time steps dt,...
Platforms: Mac
License: Freeware | Size: 1.3 MB | Download (36): Molecular Dynamics Model Download |
massXpert is about mass spectrometry. This is software that runs on MS-Windows, Apple-Mac-OS-X, GNU-Linux, and almost all variants of the UNIX system. With massXpert you actually have four programs in one : 1. With the XpertDef module you define brand new polymer chemistries (what are the...
Platforms: Mac
License: Freeware | Size: 15.87 MB | Download (40): massXpert Download |
The EJS Molecular Dynamics Demonstration model is constructed using the Lennard-Jones potential truncated at a distance of 3 molecular diameters. The motion of the molecules is governed by Newton's laws, approximated using the Verlet algorithm with the indicated Time step. For sufficiently small...
Platforms: Mac
License: Freeware | Size: 1.3 MB | Download (37): Molecular Dynamics Demonstration Model Download |
The PSI3 suite of quantum chemical programs is designed for efficient, high-accuracy calculations of properties of small to medium-sized molecules. The package's current capabilities include a variety of Hartree-Fock, coupled cluster, complete-active-space self-consistent-field, and...
Platforms: Mac
License: Freeware | Size: 7.07 MB | Download (36): PSI3 Download |
The following dissertation outlines one possible answer to this question, including an example game-like problem and a Genetic Algorithm (GA) inspired solution. The Genetic Algorithm described acts upon a population of game playing computer agents. Each agent contains a set of expressible...
Platforms: Mac
License: Freeware | Size: 1.33 MB | Download (39): Symbibots Download |
Molsketch is a 2D molecular editing tool. Its goal is to help you draw molecules quick and easily. Of course you're creation can be exported afterwards in high quality in a number of vector and bitmap formats.
Platforms: *nix
License: Freeware | Size: 103.67 MB | Download (50): Molsketch Download |
ChemAzTech is an OpenSource (GPL licence) Web chemistry software connected to a MySQL database (L.A.M.P. software) which is storing molecules. You can manage a chemical laboratory database, with product's properties. Features MyChem + JChemPaint applet allow to the user to search by...
Platforms: *nix
License: Freeware | Size: 15.72 MB | Download (37): ChemAzTech Download |
Few days ago the new version of leeenux was released. Despite the fact I was really happy with the old version (2.0), I have decided to spend part of the belgian rainy easter testing the new version on my 701. With respect version 2.0, the main differences are: New kernel, new UNR menu,...
Platforms: *nix
License: Freeware | Size: 1.12 GB | Download (49): Leeenux Download |