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Plakar vs bup: catalog facts
Plakar	bup
Free Free and open source.	Free Free and open source.
Linux, Self-hosted, Command line	macOS, Linux, Command line
Encrypted, deduplicated snapshots Web interface for browsing and restoring backups	Global deduplication across and within files Fast incremental saves
Command-line oriented setup Younger project than established tools like restic or Borg	Command line only Development discussion happens on a mailing list rather than GitHub issues
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: LGPL-2.1
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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