Bacula vs Bareos vs Kopia

Bacula and Bareos are mature, enterprise-oriented network backup systems (Bareos began as a 2010 fork of Bacula) built for sysadmins managing heterogeneous,…

Bacula

Free (open source) + commercial enterprise edition · From Free

Best for: System administrators managing mixed-OS networks who want a mature, free, GPL-licensed backup engine with the option to upgrade to Bacula Systems' commercial enterprise edition for advanced scalability and support.

Bareos

Free (open source) + paid subscription support · From Free

Best for: Teams that want an actively maintained, community-driven fork of Bacula with cloud storage backends and database backup plugins, plus the option to buy SLA-backed subscription support directly from Bareos GmbH.

Kopia

Open Source · From Free

Best for: Privacy-conscious individuals, self-hosters and small teams who want end-to-end encrypted, deduplicated backups to their own cloud or NAS storage, with both a CLI and a native GUI (KopiaUI).

At a Glance

	Bacula	Bareos	Kopia
Primary category	File Management	File Management	File Management
Rating	Not documented	Not documented	Not documented
Pricing model	Free (open source) + commercial enterprise edition	Free (open source) + paid subscription support	Open Source
Starting price	Free	Free	Free
Free plan	Yes	Yes	Not documented
Free trial	Not documented	Not documented	Not documented
Platforms	Mac, Windows	Mac, Windows	Mac, Windows
Team collaboration	Not documented	Not documented	Not documented
AI features	Not documented	Not documented	Not documented
Public API	Not documented	Not documented	Not documented

Standout Differences

Shared lineage, different governance

Bareos was forked from Bacula in 2010 by former Bacula developers and is now maintained by its own company, Bareos GmbH & Co. KG, giving the two tools overlapping architecture but separate release cycles and support offerings.

Bacula, Bareos

Encryption is mandatory in Kopia, optional elsewhere

Kopia encrypts every snapshot client-side by design and does not support creating unencrypted backups at all, while Bacula and Bareos offer TLS/TLS-PSK encrypted communications rather than enforcing end-to-end client-side encryption as a default.

Kopia

Commercial support paths differ in structure

Bacula Systems sells a custom-quoted Enterprise Edition, and Bareos GmbH sells tiered annual subscriptions from around 480 euros/year up to 42,900 euros/year for SLA-backed support; Kopia has no vendor-sold support contract, relying on its open-source community and Kasten by Veeam's engineering contributions.

Bacula, Bareos, Kopia

Storage model: managed vs bring-your-own

Bacula and Bareos support tape, disk and cloud storage backends configured within their own backup infrastructure, while Kopia is backend-agnostic, pairing with S3, Azure Blob, Backblaze B2, Google Cloud Storage, WebDAV/SFTP or local NAS storage that the user supplies and pays for separately.

Bacula, Bareos, Kopia

Feature-by-Feature

Platform and licensing

Feature	Bacula	Bareos	Kopia
Free, open-source core	Available	Available	Available
Cross-platform (Linux, Windows, Mac)	Available	Available	Available
Vendor-sold commercial support	Available	Available	Unavailable

Backup capabilities

Feature	Bacula	Bareos	Kopia
Client-side end-to-end encryption	Not documented	Not documented	Available
Data deduplication	Not documented	Available	Available
Cloud storage backend support	Available	Available	Available
Database backup plugins (e.g. PostgreSQL, MySQL)	Not documented	Available	Unavailable

Interface and operations

Feature	Bacula	Bareos	Kopia
Graphical user interface	Not documented	Available	Available
Container/Kubernetes-native plugins	Available	Not documented	Not documented

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

Bacula

Community Edition — $0

Enterprise Edition — Custom (contact Bacula Systems)

Bareos

Subscription (binaries) — From €480/year annual

Basic Support — €1,080/year annual

Standard Support — €2,850/year annual

Advanced Support — €5,700/year annual

Premier Support — €11,800/year annual

Global Support — €42,900/year annual

Kopia

Open Source — Free N/A

Pros & Cons

Bacula

Pros

Free and open source under the GPL license
Supports heterogeneous networks across Linux, Windows, and Mac
Mature project with a long track record and large install base
Optional enterprise edition available for advanced support and scalability

Cons

Steeper configuration learning curve than consumer backup tools
Documentation and interface feel dated compared to modern SaaS backup products
Full enterprise feature set requires the paid Bacula Systems edition

Bareos

Pros

Free and open source under the AGPL v3 license
Actively maintained fork with regular releases and updates
Optional paid subscription provides commercial support and SLAs
Supports cloud storage backends alongside traditional tape/disk

Cons

Requires self-hosting and backup infrastructure knowledge to configure
Full enterprise-grade support requires the paid subscription
Interface complexity is comparable to other traditional enterprise backup tools

Kopia

Pros

Completely free and open source with no license or subscription fees
Strong end-to-end encryption enforced by design, not optional
Both CLI and polished GUI available for different user preferences
Wide range of supported storage backends including S3, B2, Azure and local NAS
Backed by ongoing engineering investment from Kasten by Veeam

Cons

No commercial support contract or SLA available directly from a vendor
Users must bring and pay for their own storage backend separately
Smaller community and ecosystem than more established tools like Restic or Borg
Advanced configuration (policies, repository tuning) has a learning curve for new users
No built-in cloud storage of its own, requiring third-party backend setup

Use Cases

Choose Bacula: System administrators managing mixed-OS networks who want a mature, free, GPL-licensed backup engine with the option to upgrade to Bacula Systems' commercial enterprise edition for advanced scalability and support.

Choose Bareos: Teams that want an actively maintained, community-driven fork of Bacula with cloud storage backends and database backup plugins, plus the option to buy SLA-backed subscription support directly from Bareos GmbH.

Choose Kopia: Privacy-conscious individuals, self-hosters and small teams who want end-to-end encrypted, deduplicated backups to their own cloud or NAS storage, with both a CLI and a native GUI (KopiaUI).

Bacula

Mixed-OS network backup — System administrators backing up networks with a mix of Linux, Windows, and Mac systems.
Enterprise backup with optional support — Organizations needing enterprise-grade backup with the option to purchase dedicated support.
Cost-conscious self-hosted backup — Organizations wanting robust backup infrastructure without recurring SaaS subscription fees.

Bareos

Mixed-OS network backup — IT teams backing up Linux, Windows, and Mac systems from a central console.
Database and cloud backup — Organizations backing up databases and cloud/object storage alongside traditional file systems.

Kopia

Personal and home server backups — Privacy-conscious individuals use Kopia to back up personal files to encrypted cloud or local storage.
Kubernetes-native data protection — Platforms like Kasten by Veeam embed Kopia as backup infrastructure for Kubernetes workloads.
Small team shared backup repositories — Small teams share a single deduplicated repository across multiple machines to save on storage costs.

Frequently Asked Questions

What is the difference between Bacula and Bareos?

Bareos is a 2010 fork of Bacula created by former Bacula developers and is now maintained independently by Bareos GmbH & Co. KG in Cologne, Germany. Both share similar core architecture for network backup and recovery, but they have diverged in features (Bareos documents database backup plugins and a web UI) and are maintained by separate organizations with separate commercial support offerings.

Is Kopia's encryption stronger than Bacula's or Bareos's?

Kopia is unique among the three in enforcing client-side, end-to-end encryption for every snapshot by design, with no option to create unencrypted backups. Bacula and Bareos document TLS and TLS-PSK encryption of data in transit between clients, servers and storage, but the provided data does not document mandatory client-side encryption of the backup content itself.

Which tool is best for a home NAS or small self-hosted setup?

Kopia is the most lightweight to adopt for individuals or small teams, with a CLI and a native GUI (KopiaUI) plus support for common backends like Backblaze B2 and local NAS storage, and no licensing cost beyond whatever storage backend you choose. Bacula and Bareos are built more for centralized, multi-client network backup infrastructure and have a steeper configuration learning curve for a single small setup.

Can I get paid support for any of these tools?

Yes for Bacula and Bareos. Bacula Systems SA sells a custom-quoted Enterprise Edition, and Bareos GmbH & Co. KG sells tiered annual subscriptions ranging from around 480 euros/year for tested packages up to 42,900 euros/year for global support with defined response times. Kopia has no vendor-sold support contract, though it receives ongoing engineering contributions from Kasten by Veeam.

Do these tools back up databases like PostgreSQL or MySQL directly?

Bareos documents dedicated plugins for backing up PostgreSQL and MySQL/MariaDB. Bacula's provided feature list does not document database-specific plugins, and Kopia is a general file/directory snapshot tool without documented database-specific plugins.

Which of these three has the longest track record?

Bacula is the oldest, with development beginning in 2000 and a first public release in 2002. Bareos followed as a fork in 2010. Kopia's founding year is not documented in the provided data, but it is a newer community project led by a Google engineer and sponsored in part by Kasten by Veeam.

Read the full Bacula review · Read the full Bareos review · Read the full Kopia review

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