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rsync vs Bvckup 2: catalog facts
rsync	Bvckup 2
Free Free and open source under the GPL.	Paid Paid software with a two-week free trial.
Windows, macOS, Linux, Command line	Windows
Transfers only the changed parts of files, so repeat syncs are fast Preserves permissions, links and attributes, which makes it safe for system trees	Delta copying and multi-threaded processing for speed Backups can trigger when a specific USB drive is connected
No versioning or snapshots on its own; --delete destroys without warning Command-line only, with a long list of subtle flags	Windows only One-way replication rather than versioned backup archives
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	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 September 23, 2026

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