Seems like Tahoe-LAFS deserves mention here. I haven't gotten around to trying it myself, but as I understand, it stores encrypted shards of your data on multi

Seems like Tahoe-LAFS deserves mention here. I haven't gotten around to trying it myself, but as I understand, it stores encrypted shards of your data on multiple cloud providers, so your data can't be compromised and no one provider can cause it to be lost. EDITED to add link: https://tahoe-lafs.org/trac/tahoe-lafs https://tahoe-lafs.org/trac/tahoe-lafs