Before you install

Acknowledging this work

If you wish to include results generated using the MRtrix3 package in a publication, please include a line such as the following to acknowledge the work of our developers:

  • Processing was performed using the MRtrix3 package (Tournier et al., 2019).

    J.-D. Tournier, R. E. Smith, D. Raffelt, R. Tabbara, T. Dhollander, M. Pietsch, D. Christiaens, B. Jeurissen, C.-H. Yeh, and A. Connelly. MRtrix3: A fast, flexible and open software framework for medical image processing and visualisation. NeuroImage, 202 (2019), pp. 116–37.


Many individual methods included in the MRtrix3 software have been published in scientific journals and should be cited as such. Please check the references listed on the specific application’s page to ensure the appropriate reference is included, so that the scientists behind all methods receive proper acknowledgement.


The software described in this manual has no warranty, it is provided “as is”. It is your responsibility to validate the behavior of the routines and their accuracy using the source code provided, or to purchase support and warranties from commercial redistributors. Consult the Mozilla Public License for further details.


MRtrix is free software: you can redistribute it and/or modify it under the terms of the Mozilla Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

MRtrix is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Mozilla Public License for more details. You should have received a copy of Mozilla Public License along with MRtrix. If not, see


Some proficiency with the Unix command-line is required to make the best use of this software. There are many resources online to help you get started if you are not already familiar with it. We also recommend our own Introduction to the Unix command-line, which was written with a particular focus on the types of use that are common when using MRtrix3.