Based on our record, DAR seems to be a lot more popular than Retrospect. While we know about 14 links to DAR, we've tracked only 1 mention of Retrospect. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Dar is the only tool I know of that supports incremental backups to untrusted remote storage. All the remote sees are giant encrypted blobs. Source: about 1 year ago
DAR is a linux tool that does incremental updates after a snapshot: http://dar.linux.free.fr/. Source: about 1 year ago
I have also used dar ( http://dar.linux.free.fr/ ) instead of tar for recent disk archives. Source: over 1 year ago
Dar - Like tar, but can do incremental and differential backups with rsync-style binary diffs, only archiving what's changed (and without trusting mtimes like tar --newer does). Source: almost 2 years ago
Write compressed, encrypted, sliced archives of the lvm snapshot to HDDs mounted via USB using dar Dar will pause to change HDD every few TiB. Source: about 2 years ago
LTO 8 Tape library with a set rotated off site every week (using Retrospect - mild recommendation). Replication tasks of key datasets to backup server. Source: about 2 years ago
7-Zip ZS - A fork of 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
GNU tar - GNU tar saves many files together into a single tape or disk archive, and can restore individual...
EMC Avamar - EMC Avamar deduplication backup software and systems provide fast, daily full backups and single-step data recovery.
LZ4 - Lossless compression algorithm, providing compression speed at 400 MB/s per core, scalable with...
Nasuni - Nasuni is a solution that unifies primary data storage, offsite disaster recovery, and data backup.