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Proxmox Backup Server vs Bacula: catalog facts
Proxmox Backup Server	Bacula
Freemium The software is free under AGPLv3. The stable enterprise repository and support need a…	Free The community edition is free and open source. Bacula Enterprise is paid.
Linux, Self-hosted, Web	Windows, macOS, Linux, Self-hosted
Client-side encryption, incremental backups and deduplication keep repeated snapshots small, and it integrates directly…	Scales to large environments with tape libraries and many clients Catalogue database makes single-file restores across years practical
The software is free but the stable enterprise repository and support need a paid subscription, and it wants…	Configuration is extensive and unforgiving for newcomers The Enterprise edition holds features the community edition lacks
Self-hosted	Self-hosted
Open source	Open source
License: AGPL-3.0	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 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.