Note that this is a discussion with the current maintainer of duplicity (http://duplicity.nongnu.org/ http://duplicity.nongnu.org/), which does block-level back

Note that this is a discussion with the current maintainer of duplicity (http://duplicity.nongnu.org/ http://duplicity.nongnu.org/), which does block-level backups to any of a variety of remote storage services including S3, Backblaze, Dropbox, Onedrive, Google Drive, etc. with various backends contributed by whoever wants to build them. Backend requirements are minimal. One thing I wasn't entirely comfortable with is that it sounded like it was pretty much a single retired maintainer with a few active contributors.