Safeguarding Research
Based in EU, USA and global, this effort has access to multiple hundreds TBs (up to 1,000TB) of storage & people willing to seed. Currently, it has around 1TB of data backed up, including >100.000 PDFs from academia.edu (see the forum for the full list), 350GB web archive of CDC, including all 30.000 files from archive.cdc.gov, and much more.