This doesn't appear to be publicized on the linked to page, but two of the major open access fMRI dataset repositories (FCP-INDI [1] and OpenfMRI [2] are hosted

This doesn't appear to be publicized on the linked to page, but two of the major open access fMRI dataset repositories (FCP-INDI [1] and OpenfMRI [2] are hosted in S3. [1] http://fcon_1000.projects.nitrc.org/ http://fcon_1000.projects.nitrc.org/ [2] https://openfmri.org/ https://openfmri.org/