FMRIB Software Library

FMRIB Software Library (FSL)
DeveloperFMRIB Analysis Group
Stable release
6.0.7.18 / 22 May 2025 (2025-05-22)
Written inC++, TCL
Operating systemLinux, macOS
Available inEnglish
TypeScientific visualization and image computing
LicenseCustom, non-commercial
Websitefsl.fmrib.ox.ac.uk/fsl/fslwiki/FSL

The FMRIB Software Library, abbreviated FSL, is a software library containing image analysis and statistical tools for functional, structural and diffusion MRI brain imaging data.

FSL is available as both precompiled binaries and source code for Apple and PC (Linux) computers. It is freely available for non-commercial use.