AFNI, its associated programs, and its documentation are provided as is, and no warranty for their correctness or usefulness for any purpose is made or implied by the Medical College of Wisconsin (MCW), the National Institutes of Health (NIH), by the authors of the software, or by anyone else. Neither MCW, the NIH, nor the authors accept any liability for any defects in this software or its manuals, or for any damages caused by use of this software. Clinical applications are not recommended or advised; this software is designed for research purposes only. AFNI has not been evaluated by or approved by the United States Food and Drug Administration (FDA), or by any other agency. There are no plans to have this software so evaluated.
If you do not accept the above limitations, then you have no right to use this software.
AFNI is distributed freely under the Gnu General Public License. Major portions of this software were written at the Medical College of Wisconsin, which owns the copyright to that code. For fuller details, see the file http://afni.nimh.nih.gov/pub/dist/src/README.copyright.
In the past, I required potential users to send me a registration form before I would tell them where to get AFNI. This is no longer necessary.AFNI is now distributed under terms of the GNU General Public License (GPL), which means that anyone can download it, use it, and redistribute it.