License of Lin4Neuro
Lin4Neuro itself is distributed under GPL. However, you need to agree the licenses of each software packages to use them.
As of sample dataset by Chris Rorden, I got permission from Chris to distribute the dataset.
If you find Lin4Neuro useful and use for your data analysis, please cite the following article in your paper.
Nemoto K, Dan I, Rorden C, Ohnishi T, Tsuzuki D, Okamoto M, Yamashita F, and Asada T. Lin4Neuro: a customized Linux distribution ready for neuroimaging analysis. BMC Medical Imaging 2011, 11:3