The OpenNeuro platform is developed by the Stanford Center for Reproducible Neuroscience as a tool to encourage and enhance data sharing and analysis of raw MRI data, using BIDS to organize and standardize this data.
Official Website
Usage
You can use the website to search and download
For example, spinal MRI can be directly searched
For example, download this full spine MRI
You can download directly on the webpage, or use the aws-cli command line for downloading (the connection should be more stable)