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Back In Time vs rsync-time-backup: catalog facts
Back In Time	rsync-time-backup
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free open-source script, with optional sponsorship.
Linux	Linux, Command line
Unchanged files are hard-linked rather than copied, so each snapshot looks complete while using very little extra disk…	Browsable dated snapshots of plain files Hard links keep unchanged files from using extra space
It is Linux-only and inherits rsync's weaknesses, including no built-in encryption and slow handling of very large file…	Command-line only No encryption or deduplication beyond hard links
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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