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Backup · head to head

Bacula Enterprise vs K3s

Bacula Enterprise logo

Bacula Enterprise

Backup

Open-source enterprise backup solution

From
$500/year
Rated
-
Full reviewWebsite
K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only K3s has a free tier, so it costs nothing to try first.
  • Each has a real cost: Bacula Enterprise pricing is not published; the vendor asks for a request rather than listing rates; K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • They diverge on capability: Bacula Enterprise covers Modular architecture, K3s covers Single binary.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bacula Enterprise and K3s actually diverge.

Attributes where Bacula Enterprise and K3s differ
AttributeBacula EnterpriseK3s
Starting price$500/yearFree
Pricing modelsubscriptionOpen source, no licence fee
Free tierNoYes
PlatformsWindows, Linux, WebLinux, ARM, Self-hosted
CategoryBackupCloud
Founded2009Unknown

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Bacula Enterprise

  • Modular architecture
  • Plugin framework
  • Deduplication
  • Cloud storage
  • Encryption
  • Automated recovery testing
  • VMware
  • Hyper-V

Only in K3s

  • Single binary
  • SQLite by default
  • Certified conformant
  • Batteries included
  • Low resource footprint
  • Simple install

What people use each for

The jobs each tool is most often brought in to do.

Bacula Enterprise

  • Enterprise backup across virtual machines, databases and containersnot K3s
  • Multi-cloud and hybrid backup from one systemnot K3s
  • Backup where licensing by data volume would be prohibitive, since Bacula does not charge by capacitynot K3s
  • Long-retention archival for regulated environmentsnot K3s

K3s

  • Kubernetes on edge sites and IoT hardware where full clusters will not fitnot Bacula Enterprise
  • Development and CI clusters that must start fast and cost nothingnot Bacula Enterprise
  • Small production clusters where full Kubernetes is more operations than the workload justifiesnot Bacula Enterprise
  • Teaching and learning Kubernetes without cloud spendnot Bacula Enterprise

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bacula Enterprise

  • Pricing is not published; the vendor asks for a request rather than listing rates
  • The differences between Enterprise and the open source Community edition are not set out on the product pages, so what the licence buys is unclear until you talk to sales
  • Aimed at data centre and enterprise environments rather than small deployments

K3s

  • The SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • Bundled components such as Traefik are opinionated defaults that larger teams often strip out and replace
  • Removed in-tree cloud provider integrations mean cloud-specific features need external controllers
  • Aimed at small and edge clusters, so very large deployments are better served by a standard distribution

Pricing, plan by plan

Bacula Enterprise

$500/year
  • Bacula Enterprise$500/year
    • Unlimited data
    • Plugin support
    • Enterprise support

K3s

Free
  • K3sFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Bacula Enterprise if

  • You need modular architecture.
  • You work on Windows, Linux, Web.
  • You also want plugin framework.
Bacula Enterprise review

Choose K3s if

  • You need single binary.
  • You want to start without paying.
  • You work on Linux, ARM, Self-hosted.
  • You also want sqlite by default.
K3s review

Questions people ask

Is Bacula Enterprise or K3s better?
Neither clearly leads. Bacula Enterprise starts at $500/year and K3s at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bacula Enterprise or K3s?
K3s has a free tier; the other does not. Paid plans start at $500/year for Bacula Enterprise and Free for K3s.
Does Bacula Enterprise or K3s run on more platforms?
Bacula Enterprise runs on Windows, Linux, Web. K3s runs on Linux, ARM, Self-hosted.
Can I use K3s for free?
Yes. K3s has a free tier, so you can try it without paying. Bacula Enterprise starts at $500/year.
What is Bacula Enterprise best used for?
Bacula Enterprise is most often used for enterprise backup across virtual machines, databases and containers, multi-cloud and hybrid backup from one system, backup where licensing by data volume would be prohibitive, since bacula does not charge by capacity, long-retention archival for regulated environments. Of those, enterprise backup across virtual machines, databases and containers and multi-cloud and hybrid backup from one system are not what K3s is typically brought in for.
What can Bacula Enterprise do that K3s cannot?
Bacula Enterprise covers Modular architecture, Plugin framework, Deduplication, Cloud storage. K3s covers Single binary, SQLite by default, Certified conformant, Batteries included.

Answered from the vendors’ own pages

Bacula Enterprise: Does Bacula Enterprise offer a trial?

Yes. Bacula offers a trial that provides 'a streamlined version of Bacula Enterprise' with 'rapid access to an online, hosted environment'. However, no specific trial period duration is stated on the page.

Source
K3s: Is K3s free?

Yes. K3s is open source with no licence fee. SUSE sells commercial support around Rancher separately.

Bacula Enterprise: Is there a free trial available, or does it require contacting sales?

The trial is available directly online without needing to contact sales first. The page provides streamlined access to test the service with Global Endpoint Deduplication and cloud storage capabilities.

Source
K3s: Is K3s real Kubernetes?

Yes. It is CNCF-certified conformant, so standard manifests, kubectl and Helm charts work without modification.

Bacula Enterprise: Does Bacula charge by data volume?

No. One customer testimonial states 'we are not charged by data volume or hardware', indicating that Bacula does not use capacity-based pricing like some competitors.

Source
K3s: Why is K3s smaller than Kubernetes?

It strips legacy, alpha and in-tree cloud provider code, packages everything as one binary, and defaults to SQLite instead of etcd.

Bacula Enterprise: How can I get Bacula pricing information?

Bacula directs interested parties to Request Pricing through their contact page rather than displaying rates publicly.

Source
K3s: Can K3s run in production?

Yes, and it does, particularly at the edge and for small clusters. For a highly available control plane you need to move off the SQLite default to etcd or an external datastore.

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