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Smart Home · head to head

OpenHAB vs pfSense

OpenHAB logo

OpenHAB

Smart Home

Open source automation software for your home

From
Free
Rated
-
Full reviewWebsite
pfSense logo

pfSense

Networking

Open source firewall software with a free Community Edition and a separate commercial Plus edition sold by Netgate

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OpenHAB requires a 64-bit Java 21 JVM to be installed and maintained separately; pfSense pfSense CE and pfSense Plus are not simply the same software with a support contract layered on top; Plus is a separately developed edition with its own feature set, and moving between them is a migration, not a toggle
  • They diverge on capability: OpenHAB covers Vendor Agnostic, pfSense covers Stateful firewall and NAT.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which OpenHAB and pfSense actually diverge.

Attributes where OpenHAB and pfSense differ
AttributeOpenHABpfSense
Pricing modelopen-sourceOpen source Community Edition, free; commercial Plus edition sold separately by Netgate
PlatformsLinux, Windows, MacOS, Docker, Raspberry PiLinux
CategorySmart HomeNetworking
Founded2010Unknown

Identical on both: starting price (Free), free tier (Yes), 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 OpenHAB

  • Vendor Agnostic
  • Rule Engine
  • 200+ Bindings
  • Local Processing
  • Z-Wave
  • Zigbee
  • MQTT
  • REST API

Only in pfSense

  • Stateful firewall and NAT
  • VPN support
  • Traffic shaping and QoS
  • Package ecosystem
  • CE and Plus editions

What people use each for

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

OpenHAB

  • Self-hosted vendor neutral home automation hubnot pfSense
  • Bridging smart home devices from different manufacturers under one set of rulesnot pfSense

pfSense

  • A home user or small business wanting a free, fully-featured firewall on commodity hardware with no licence costnot OpenHAB
  • A business wanting an integrated firewall appliance with vendor support, typically buying a Netgate appliance bundled with pfSense Plusnot OpenHAB
  • A team wanting to evaluate advanced features like real-time threat intelligence before committing to Netgate hardware or a Plus migrationnot OpenHAB
  • An organisation replacing an expensive commercial firewall with an open source alternative while retaining the option to add commercial support laternot OpenHAB

Where each one falls short

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

OpenHAB

  • Requires a 64-bit Java 21 JVM to be installed and maintained separately
  • Oracle Java is explicitly not recommended by the project because of potential licensing restrictions
  • The recommended hardware is a dedicated Raspberry Pi 4 or newer rather than shared hardware
  • Some version upgrades require additional manual steps run through a separate upgrade tool

pfSense

  • pfSense CE and pfSense Plus are not simply the same software with a support contract layered on top; Plus is a separately developed edition with its own feature set, and moving between them is a migration, not a toggle
  • Running Plus on non-Netgate hardware depends on Netgate's current migration terms, which have changed over time, so a buyer planning to use white-box hardware with Plus should verify current eligibility rather than assume it works as it did previously
  • CE has no official vendor support channel; a business relying on it for production firewalling without a support contract is self-supporting on community forums
  • Some newer features and threat intelligence integrations are Plus-only, so CE users do not get feature parity going forward even though both editions remain under active development
  • Netgate's own appliance pricing and the terms of the CE-to-Plus migration path are not always clearly presented in one place, requiring some digging to understand the real total cost of a Plus deployment on non-Netgate hardware
  • As with any self-managed firewall, security depends on the operator applying updates and correctly configuring rules; there is no managed security operations layer included even in Plus

Pricing, plan by plan

OpenHAB

Free
  • Community EditionFree
    • Unlimited devices
    • 200+ bindings
    • Local control

pfSense

Free
  • pfSense CEFree
    • Full firewall and routing functionality
    • No vendor lock-in to hardware
    • Community support
  • pfSense Plus (via Netgate appliance)$undefined/one-time
    • Bundled with Netgate hardware appliances from around $189
    • Threat intelligence feeds
    • Certified support tiers

Which should you pick?

Choose OpenHAB if

  • You need vendor agnostic.
  • You want to start without paying.
  • You work on Linux, Windows, MacOS, Docker, Raspberry Pi.
  • You also want rule engine.
OpenHAB review

Choose pfSense if

  • You need stateful firewall and nat.
  • You want to start without paying.
  • You work on Linux.
  • You also want vpn support.
pfSense review

Questions people ask

Is OpenHAB or pfSense better?
Neither clearly leads. OpenHAB starts at Free and pfSense at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenHAB or pfSense?
OpenHAB starts at Free and pfSense at Free.
Does OpenHAB or pfSense run on more platforms?
OpenHAB runs on Linux, Windows, MacOS, Docker, Raspberry Pi. pfSense runs on Linux.
Can I use OpenHAB for free?
Both have a free tier, so you can try either at no cost before committing.
What is OpenHAB best used for?
OpenHAB is most often used for self-hosted vendor neutral home automation hub, bridging smart home devices from different manufacturers under one set of rules. Of those, self-hosted vendor neutral home automation hub and bridging smart home devices from different manufacturers under one set of rules are not what pfSense is typically brought in for.
What can OpenHAB do that pfSense cannot?
OpenHAB covers Vendor Agnostic, Rule Engine, 200+ Bindings, Local Processing. pfSense covers Stateful firewall and NAT, VPN support, Traffic shaping and QoS, Package ecosystem.

Answered from the vendors’ own pages

OpenHAB: How much does openHAB cost?

openHAB is 100% open source and completely free to download, install, and use across all supported platforms.

Source
pfSense: What is the difference between pfSense CE and pfSense Plus?

CE is the free, open source edition installable on any compatible hardware; Plus is a commercial edition from Netgate with additional features and support, typically bundled with Netgate appliances.

OpenHAB: Are there any subscription fees for openHAB?

No, openHAB has no subscription fees. The software is free and released under an open source license for unlimited use.

Source
pfSense: Can I run pfSense Plus on my own hardware?

It is possible through a migration from a CE installation via Netgate's official channel, but the terms and availability of that path have changed over time and should be confirmed directly with Netgate.

OpenHAB: How can I support openHAB?

While openHAB is free to use, the project accepts voluntary donations through the openHAB Foundation to support development and maintenance.

Source
pfSense: Is pfSense CE really free with no catch?

Yes, CE has no licence fee and no hardware lock-in, though it comes with community rather than vendor support.

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