PLUMED is an open source library for free energy calculations in molecular systems which works together with some of the most popular molecular dynamics engines. Free energy calculations can be performed as a function of many order parameters with a particular  focus on biological problems, using state of the art methods such as metadynamics, umbrella sampling and Jarzynski-equation based steered MD. The software, written in C++, can be easily interfaced with both fortran and C/C++ codes.

PLUMED is free software! To get the it click here

October 2015: We are moving our website to Until June 2016 you can find us at both the old URL ( and the new one. But, please update your bookmark to the new URL!

May 2014: the second PLUMED tutorial and user meeting was held in Belfast.

October 2013: we have released PLUMED2!

Recent News

  • PLUMED Tutorial and User Meeting
    On May 22-27, 2017 we are organizing a PLUMED meeting at the Scuola Internazionale di Studi Avanzati (SISSA), Trieste, Italy. The format will be similar to the meeting held in Belfast, UK, in 2014, that is three days of introductory tutorial followed by a three day user meeting. The tutorial will start on Monday 22 in the morning and end on the afternoon of Wednesday 24. The user meeting will start on the morning of Thursday 25 and end at lunchtime on Saturday 27. More information can be found at this website.
    Posted Feb 20, 2017, 12:14 AM by Giovanni Bussi
  • Plumed 2.3 and 2.2.4 released
    Two new PLUMED releases are available

    Release 2.2.4 is a maintenance release on the 2.2.x branch with a few bug fixes, see for a list of changes.

    Release 2.3.0 is a release that contains several new features, see: for a list of changes. This version can now be considered as fully stable.

    We will still fix bugs in branch 2.2.x for a while, but users are encouraged to upgrade to the new 2.3.x release. Just read carefully the change log before upgrading, paying attention to the changes that lead to incompatible behavior.

    You can find both releases in the download section of the plumed webpage. They are also tagged on github (v2.2.4 and v2.3.0).
    Posted Jan 16, 2017, 5:18 AM by Carlo Camilloni
  • PLUMED 2.3b and 2.2.3 released!
    We are pleased to announce two new PLUMED releases.

    Release 2.2.3 a maintenance release on the 2.2.x branch and solves a few bugs. See:

    Release 2.3b is a brand new release that contains a number of new features. Notice that some of the changes required us to modify the syntax of some command. See:  This release is still in beta, but we invite users to try it and provide feedbacks.

    You can find both releases in the download section of the plumed webpage. They are also tagged on git (v2.2.3 and v2.3b).

    For those of you using the master branch on git: you might want to switch to the v2.3 branch, since we will start soon to add possibly unstable features on the master branch.
    Posted Jun 30, 2016, 7:36 AM by Carlo Camilloni
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