VMD is a molecular visualization program for displaying, animating, and analyzing large biomolecular systems using 3-D graphics and built-in scripting. VMD supports computers running MacOS X, Unix, or Windows, is distributed free of charge, and includes source code.
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Spotlight

VMD can load and display the results of ab initio simulations done with packages such as CPMD, GAMESS, Gaussian, ESPRESSO/PWScf, and others. An excellent tutorial on using VMD with these packages is available here.
Other Spotlights

Overview

Molecular representations
Molecular file formats
GPU-accelerated computing
Interactive molecular dynamics
Programs that use VMD
VMD research publications
How to cite VMD
VMD citation list, (12,527 as of Apr'14)

Download

Download (all versions)
VMD 1.9.1 (MacOS X, Unix, Windows)
VMD 1.9 (MacOS X, Unix, Windows)
VMD plugin library
VMD script library
License, Copyright and Disclaimer

Documentation and Support

User and installation guides
Quick help
FAQ
VMD-L mailing list
Bug List

News and Announcements

Hands-on Computational Biophysics Workshops w/ VMD and NAMD
GPU-Accelerated Analysis and Visualization of Large Structures Solved by Molecular Dynamics Flexible Fitting, FD169, 2014.
Webinar: GPU-Supercharged Molecular Visualization / Analysis with VMD
2014 VMD Calendar
GPU-accelerated molecular visualization on petascale supercomputing platforms, UltraVis'13
Early Experiences Scaling VMD Molecular Visualization and Analysis Jobs on Blue Waters, Proc. XSCALE, 2013.
Rapid parameterization of small molecules using ffTK, JCC, 2013.
Most cited since 2008: "GPU-Accelerated Molecular Modeling Coming of Age"
VMD QuickSurf rendering of HIV-1 capsid on cover of Nature 497 (7451), 2013.
Lattice microbes: High-performance stochastic simulation method for the reaction-diffusion master equation, J. Comp. Chem, 2013.
Force Field Toolkit (FFTK) tutorial screencasts
Fast Visualization of Gaussian Density Surfaces for Molecular Dynamics and Particle System Trajectories, EuroVis 2012.
Immersive out-of-core visualization of large-size and long-timescale molecular dynamics trajectories, LNCS, 2011.
Past announcements

Gallery

Gallery of Posters, Images, and Movies made with VMD
VMD running in the NanoDome at Temple University

Development

VMD User Survey Results
VMD development status and pre-release test downloads
CVS source code access
VMD Programmer's documentation