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Back In Time vs rsnapshot: catalog facts
Back In Time	rsnapshot
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the GPL.
Linux	macOS, Linux, Command line
Unchanged files are hard-linked rather than copied, so each snapshot looks complete while using very little extra disk…	Every snapshot is a browsable directory, so restoring is just copying a file Hard links make dozens of retained snapshots cheap in disk space
It is Linux-only and inherits rsync's weaknesses, including no built-in encryption and slow handling of very large file…	No encryption or compression of its own Hard links mean the backup destination must be a filesystem that supports them
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.