SimNIBS is a free and open source software package for the Simulation of Non-invasive Brain Stimulation. It allows for realistic calculations of the electric field induced by transcranial magnetic stimulation (TMS) and transcranial electric stimulation (TES).

A SimNIBS workflow consists of three main parts:


SimNIBS is copyrighted © by its authors and licensed under GPL v3.


SimNIBS is a research tool. Clinical usage is not supported or advised. In particular, SimNIBS was not tested to give accurate results in the presence of pathological condition


  • Version 3.2.4 is now avaliable. This version includes a number of bug fixes and small improvements. Please see details in changelog.