Software Downloads

Which version of NAMD should I download?

The versions of NAMD below are distinguished first by OS, followed by the type of network interface, and whether or not CUDA is supported. If you are installing NAMD on a standalone workstation, we recommend downloading Linux-x86_64-multicore for Linux. If your workstation has a CUDA-capable GPU, you should try downloading Linux-x86_64-multicore-CUDA. If you wish to run multi-copy algorithms, such as replica-exchange MD, you should try the "netlrts" builds, such as Linux-x86_64-netlrts-smp or Linux-x86_64-netlrts-smp-CUDA. Windows users are encouraged to install WSL (Windows for Linux Subsystem) in order to run our most recent Linux builds.

Download NAMD:

NAMD is a parallel, object-oriented molecular dynamics code designed for high-performance simulation of large biomolecular systems. Simulation preparation and analysis is integrated into the visualization package VMD. Visit the NAMD website for complete information and documentation.

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Version 3.0b6 (2024-01-20) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64-multicore-AVX512 (x86_64 AVX-512)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-netlrts-smp (Multi-copy algorithms, single process per copy)
Linux-x86_64-netlrts-smp-CUDA (Multi-copy algorithms, single process per copy)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
MacOS-universal-multicore (Apple silicon and Intel-based)
Source Code

Version 2.15 ALPHA Release (2023-12-18) Platforms:

Linux-x86_64-multicore-AMDHIP (AMD HIP/ROCm acceleration)
Linux-x86_64-multicore-AVX512 (x86_64 AVX-512)
Source Code for Intel GPU (Intel oneAPI/SYCL for Intel GPU acceleration)

Version 3.0b5 (2023-11-06) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64-multicore-AVX512 (x86_64 AVX-512)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-netlrts-smp (Multi-copy algorithms, single process per copy)
Linux-x86_64-netlrts-smp-CUDA (Multi-copy algorithms, single process per copy)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
MacOS-universal-multicore (Apple silicon and Intel-based)
Source Code

Version 3.0b4 (2023-09-29) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64-multicore-AVX512 (x86_64 AVX-512)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-netlrts-smp (Multi-copy algorithms, single process per copy)
Linux-x86_64-netlrts-smp-CUDA (Multi-copy algorithms, single process per copy)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
Source Code

Version 3.0b3 (2023-04-01) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64-multicore-AVX512 (x86_64 AVX-512)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-netlrts-smp (Multi-copy algorithms, single process per copy)
Linux-x86_64-netlrts-smp-CUDA (Multi-copy algorithms, single process per copy)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
Source Code

Version Nightly Build (2022-07-21) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Source Code

Version 2.14 (2020-08-05) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-netlrts (Multi-copy algorithms, single host or ethernet)
Linux-x86_64-netlrts-smp-CUDA (Multi-copy algorithms, single process per copy)
Linux-x86_64-verbs (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-KNL-multicore (Intel Xeon Phi KNL processor single node)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-x86_64-CUDA (NVIDIA CUDA acceleration)
MacOSX-x86_64-netlrts (Multi-copy algorithms)
Win64 (Windows 7, 8, 10, etc.)
Win64-CUDA (NVIDIA CUDA acceleration)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Win64-MPI-smp-CUDA (HPC Server with CUDA)
Source Code

Version 2.13 (2018-11-09) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-ibverbs-smp (InfiniBand plus shared memory, no MPI needed)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-smp-CUDA (NVIDIA CUDA with InfiniBand)
Linux-x86_64-netlrts (Multi-copy algorithms, single host or ethernet)
Linux-x86_64-netlrts-smp-CUDA (Multi-copy algorithms, single process per copy)
Linux-x86_64-verbs (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-KNL-multicore (Intel Xeon Phi KNL processor single node)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-x86_64-CUDA (NVIDIA CUDA acceleration)
MacOSX-x86_64-netlrts (Multi-copy algorithms)
Win64 (Windows 7, 8, 10, etc.)
Win64-CUDA (NVIDIA CUDA acceleration)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Win64-MPI-smp-CUDA (HPC Server with CUDA)
Source Code

Version 2.12 (2016-12-22) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-ibverbs-smp (InfiniBand plus shared memory, no MPI needed)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-smp-CUDA (NVIDIA CUDA with InfiniBand)
Linux-x86_64-netlrts (Multi-copy algorithms, single host or ethernet)
Linux-x86_64-verbs (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-KNL-multicore (Intel Xeon Phi KNL processor single node)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-x86_64-CUDA (NVIDIA CUDA acceleration)
MacOSX-x86_64-netlrts (Multi-copy algorithms)
Win32 (Windows XP, etc.)
Win64 (Windows 7, 8, 10, etc.)
Win64-CUDA (NVIDIA CUDA acceleration)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Win64-MPI-smp-CUDA (HPC Server with CUDA)
Source Code

Version 2.11 (2015-12-22) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-ibverbs-smp (InfiniBand plus shared memory, no MPI needed)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-smp-CUDA (NVIDIA CUDA with InfiniBand)
Linux-x86_64-multicore-MIC (Intel Xeon Phi coprocessor acceleration)
Linux-x86_64-netlrts (Multi-copy algorithms, single host or ethernet)
Linux-x86_64-verbs (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp (InfiniBand, no MPI needed, supports multi-copy algorithms)
Linux-x86_64-verbs-smp-CUDA (InfiniBand, no MPI needed, supports multi-copy algorithms)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-x86_64-CUDA (NVIDIA CUDA acceleration)
MacOSX-x86_64-netlrts (Multi-copy algorithms)
Win32 (Windows XP, etc.)
Win64 (Windows 7, 8, 10, etc.)
Win64-CUDA (NVIDIA CUDA acceleration)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Win64-MPI-smp-CUDA (HPC Server with CUDA)
Source Code

Version 2.10 (2014-12-11) Platforms:

Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-ibverbs-smp (InfiniBand plus shared memory, no MPI needed)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-smp-CUDA (NVIDIA CUDA with InfiniBand)
Linux-x86_64-multicore-MIC (Intel Xeon Phi coprocessor acceleration)
Linux-x86_64-netlrts (Multi-copy algorithms, single host or ethernet)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-x86_64-netlrts (Multi-copy algorithms)
Win64 (Windows 7, 8, 10, etc.)
Win64-CUDA (NVIDIA CUDA acceleration)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Source Code

Version 2.9 (2012-04-30) Platforms:

Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-x86-TCP (TCP may be better on gigabit)
Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-ibverbs-smp (InfiniBand plus shared memory, no MPI needed)
Linux-x86_64-multicore-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-smp-CUDA (NVIDIA CUDA with InfiniBand)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-x86 (Mac OS X for Intel processors, fails on 10.7 "Lion")
Solaris-x86_64
Win32 (Windows XP, etc.)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Source Code

Version 2.8 (2011-05-31) Platforms:

AIX-POWER-lapi (IBM POWER clusters)
AIX-POWER-multicore (IBM POWER single node)
Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-x86-TCP (TCP may be better on gigabit)
Linux-x86_64-multicore (64-bit Intel/AMD single node)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-ibverbs-smp (InfiniBand plus shared memory, no MPI needed)
Linux-x86_64-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-CUDA (NVIDIA CUDA with InfiniBand)
MacOSX-x86_64 (Mac OS X for 64-bit Intel processors)
MacOSX-PPC (Mac OS X for PowerPC)
MacOSX-x86 (Mac OS X for Intel processors, fails on 10.7 "Lion")
Solaris-x86_64
Win32 (Windows XP, etc.)
Win64-MPI (Windows HPC Server, multi-copy algorithms)
Source Code

Version 2.7 (2010-10-15) Platforms:

AIX-POWER (IBM POWER)
AIX-POWER-MPI (IBM POWER clusters)
Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-x86-TCP (TCP may be better on gigabit)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-x86_64-ibverbs (InfiniBand via OpenFabrics OFED, not for Omni-Path, no MPI needed)
Linux-x86_64-CUDA (NVIDIA CUDA acceleration)
Linux-x86_64-ibverbs-CUDA (NVIDIA CUDA with InfiniBand)
Linux-Itanium-Altix (original SGI Altix, not Altix UV)
MacOSX-PPC (Mac OS X for PowerPC)
MacOSX-x86 (Mac OS X for Intel processors, fails on 10.7 "Lion")
Solaris-x86_64
Win32 (Windows XP, etc.)
Source Code

Version 2.6 (2006-08-31) Platforms:

AIX-POWER (IBM POWER)
AIX-POWER-MPI (IBM POWER clusters)
BlueGeneL (bypasses MPI for better scaling)
BlueGeneP-MPI (Blue Gene/P)
Linux-amd64-Clustermatic5-TCP (Clustermatic 5)
Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-x86-TCP (TCP may be better on gigabit)
Linux-x86_64 (64-bit Intel/AMD with ethernet)
Linux-x86_64-TCP (TCP may be better on gigabit)
Linux-i686-Clustermatic4 (Clustermatic 4 or 5)
Linux-i686-Clustermatic4-TCP (TCP may be better on gigabit)
Linux-i686-Scyld29 (Scyld Beowulf 29)
Linux-i686-Scyld29-TCP (TCP may be better on gigabit)
Linux-Itanium (Itanium)
Linux-Itanium-Altix (original SGI Altix, not Altix UV)
MacOSX-PPC-xlC (Mac OS X for PowerPC, needs IBM libraries)
MacOSX-x86 (Mac OS X for Intel processors, fails on 10.7 "Lion")
Origin2000 (any SGI, shared-memory only)
Origin2000-MPI (SGI MPI)
Solaris-Sparc
Tru64-Alpha
Tru64-Alpha-Elan (AlphaServer SC with Quadrics)
Tru64-Alpha-MPI (HP MPI, no Quadrics or Elan)
Win32 (Windows XP, etc.)
Source Code

Version 2.5 (2003-09-29) Platforms:

AIX-POWER (IBM POWER)
AIX-POWER-MPI (IBM POWER clusters)
HPUX
HPUX-PA2.0
Linux-Alpha
Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-x86-TCP (TCP may be better on gigabit)
Linux-i686-Clustermatic (Clustermatic 3)
Linux-i686-Clustermatic-TCP (TCP may be better on gigabit)
Linux-i686-Scyld (Scyld Beowulf)
Linux-i686-Scyld-TCP (TCP may be better on gigabit)
MacOSX-PPC (Mac OS X for PowerPC)
Origin2000 (any SGI, shared-memory only)
Origin2000-MPI (SGI MPI)
Solaris-Sparc
Solaris-Sparc-MPI (Sun HPC ClusterTools)
T3E
Tru64-Alpha
Tru64-Alpha-Elan (AlphaServer SC with Quadrics)
Tru64-Alpha-MPI (HP MPI, no Quadrics or Elan)
Win32 (Windows XP, etc.)
Source Code

Version 2.4 (2002-03-11) Platforms:

AIX-POWER (IBM POWER)
AIX-POWER-MPI (IBM POWER clusters)
HPUX
HPUX-PA2.0
Linux-Alpha
Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-i686-Scyld (Scyld Beowulf)
MacOSX-PPC (Mac OS X for PowerPC)
Origin2000 (any SGI, shared-memory only)
Origin2000-MPI (SGI MPI)
Solaris-Sparc
Solaris-Sparc-MPI (Sun HPC ClusterTools)
T3E
Tru64-Alpha
Tru64-Alpha-Elan (AlphaServer SC with Quadrics)
Win32 (Windows XP, etc.)
Source Code

Version 2.3 (2001-08-02) Platforms:

AIX-POWER (IBM POWER)
AIX-POWER-MPI (IBM POWER clusters)
HPUX
HPUX-PA2.0
Linux-Alpha
Linux-x86 (32-bit Intel/AMD with ethernet)
Linux-i686-Scyld (Scyld Beowulf)
MacOSX-PPC (Mac OS X for PowerPC)
Origin2000 (any SGI, shared-memory only)
Origin2000-MPI (SGI MPI)
Solaris-Sparc
Solaris-Sparc-MPI (Sun HPC ClusterTools)
T3E
Tru64-Alpha
Tru64-Alpha-Elan (AlphaServer SC with Quadrics)
Win32 (Windows XP, etc.)
Source Code

Version 2.2 (2000-09-29) Platforms:

AIX-POWER (IBM POWER)
AIX-POWER-MPI (IBM POWER clusters)
HPUX
HPUX-PA2.0
Linux-Alpha
Linux-x86 (32-bit Intel/AMD with ethernet)
Origin2000 (any SGI, shared-memory only)
Origin2000-MPI (SGI MPI)
Solaris-Sparc
T3E
Tru64-Alpha
Win32 (Windows XP, etc.)
Source Code

Version 2.1 (1999-11-11) Platforms:

AIX-POWER (IBM POWER)
Linux-x86 (32-bit Intel/AMD with ethernet)
Origin2000 (any SGI, shared-memory only)
Origin2000-MPI (SGI MPI)
Solaris-Sparc
T3E
Tru64-Alpha
Source Code

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