Best Network Firewall Software in 2026

In short: OPNsense is ranked #1 of 19 as of 3 October 2026, ahead of AWS Network Firewall and Arista NG Firewall. The best-ranked option with a free plan is Arista NG Firewall. The lowest first paid tier on this page is AWS Network Firewall at $0.07/mo.

19 network firewall software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

19ranked
5free plans on this page
$0.07/molowest paid tier
3 Oct 2026last checked
#PlatformScoreWhyFromFree planPaid fromDeployment model
1OPNsense8.6
RecognisedAPIDocumented
—Yes—hybridView
2AWS Network Firewall7.6
RecognisedAPIDocumented
$0.07/moNo—cloudView
3Arista NG Firewall7.4
RecognisedAPIDocumented
$22.50/moYes25 /mohybridView
4pfSense7.1
RecognisedAPIDocumented
—Yes—hybridView
5Oracle Cloud Infrastructure Secret Management7.0
RecognisedAPIDocumented
FreeYes—cloudView
6FortiGate6.8
RecognisedAPIDocumented
————View
7IPFire6.7
RecognisedAPIDocumented
FreeYes—hybridView
8NethSecurity6.7
RecognisedAPIDocumented
—Yes—hybridView
9Cisco Catalyst Center6.5
RecognisedAPIDocumented
———hybridView
10Forcepoint Next Generation Firewall6.0
RecognisedAPIDocumented
————View
11Azure Firewall Premium5.7
RecognisedAPIDocumented
————View
12Firewalla5.5
RecognisedAPIDocumented
—No—hybridView
13Alibaba Cloud Cloud Firewall5.5
RecognisedAPIDocumented
$0.36/mo———View
14Huawei Cloud Firewall5.3
RecognisedAPIDocumented
—No—cloudView
15Cloudflare Magic Firewall5.2
RecognisedAPIDocumented
————View
16OpenWrt5.2
RecognisedAPIDocumented
———hybridView
17Little Snitch5.1
RecognisedAPIDocumented
€59/moNo——View
18Juniper Security Director5.0
RecognisedAPIDocumented
———hybridView
19Sophos Central Firewall Management4.5
RecognisedAPIDocumented
————View

Is your platform on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which network firewall software is ranked first on Inferse?

OPNsense is ranked #1 of 19 with a score of 8.6. AWS Network Firewall is second and Arista NG Firewall third.

How many of these have a free plan?

5 of the 19 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, AWS Network Firewall has the lowest first paid tier we found: $0.07/mo.

How is this list ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.

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