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Retrospect Backup vs Bareos: catalog facts
Retrospect Backup	Bareos
Paid Paid software with a free trial.	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS	Windows, Linux, Self-hosted
Runs on both Windows and Mac Ransomware detection built in	It is a full client-server backup solution under AGPLv3 with no open-core restrictions, covering Linux, Windows, macOS…
Paid software aimed largely at businesses No Linux edition mentioned	Setup is an administrator-level job involving a director, storage daemons and a database, which is far more work…
Downloadable app	Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
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 24, 2026	Official website Full listing and sources Checked September 22, 2026

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