Open source firewall, cutting-edge protection
OPNsense (opnsense.org) scores 84 out of 100 on Brand Analyzer, placing it in the Strong Brand tier among Technology brands, SaaS brands, in the 81st percentile of 28105 Technology brands.
OPNsense is an open-source firewall and routing platform founded in 2015. It offers the features of commercial firewalls at no cost, built on open and verifiable source code developed with a large community of users. The platform is designed for IT professionals, network administrators, and organizations seeking transparent, reliable, and cost-free network security and routing solutions.
| Brand Name | OPNsense |
|---|---|
| Domain | opnsense.org |
| Industry | Technology, SaaS |
| Founded | 2015 |
| Main Competitors | pfSense (86/100), Untangle (83/100), Fortinet FortiGate (95/100), Sophos Firewall (90/100), Cisco Meraki, WatchGuard (92/100), IPFire (81/100) |
Moz Domain Authority 49/100 vs category average 40 / leader 100 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #25,392 on the Tranco list of most-visited sites - strong traffic reinforces the brand's prominence to AI models.
OPNsense has a dedicated Wikipedia entity - a top-weighted signal AI models rely on to identify and describe the brand.
The homepage meta description reads "We’ve made digital security accessible to everyone. With our free OPNsense® platform, you get all the features of expensive commercial firewalls and more. Enjoy open and verifiable…" (No meta description. OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: 1 JSON-LD block(s), Breadcrumb/Website schema, og:title, og:description, og:type, Twitter cards, canonical. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: Apache, WordPress, Ghost.
Social footprint: verified profiles on GitHub, X (Twitter), LinkedIn, Facebook, Instagram; no detected presence on YouTube - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked September 2026.
When asked "What is OPNsense?", Claude could identify the brand as of September 2026. OPNsense is an open-source firewall and routing platform based on FreeBSD, forked from pfSense back in 2014. It provides a web-based interface for managing firewall rules, VPNs, traffic shaping, and other network security functions, and is widely used by hobbyists and businesses Best known for Being a free, open-source firewall/router OS with a user-friendly web GUI, forked from pfSense.
When asked "Best brands similar to OPNsense?", Claude would recommend OPNsense as of September 2026. It's one of the top open-source firewall distributions people mention alongside pfSense when discussing self-hosted network security solutions.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
OPNsense's main competitors in Technology: pfSense (86/100), Untangle (83/100), Fortinet FortiGate (95/100), Sophos Firewall (90/100), WatchGuard (92/100).
Sources: Brand Analyzer scan
OPNsense is a free, open-source firewall and routing software platform founded in 2015. It provides network security and routing capabilities comparable to expensive commercial firewall products, but is built on open, verifiable source code and maintained with the support of a large user community.
Sources: OPNsense official site
OPNsense has moderate AI-search visibility, scoring 59/100 on Brand Analyzer's AI visibility composite (visibility 67, trust 40, recommendation 68). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: OPNsense official site
OPNsense was founded in 2015. OPNsense operates in the Technology category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
OPNsense offers a free, open-source firewall and routing platform. It provides network security and traffic management features similar to those found in expensive commercial firewall products, built on transparent, verifiable source code.
Sources: OPNsense official site
OPNsense functions as a firewall and routing platform that protects and manages network traffic. It provides the features typically found in commercial firewall appliances-such as traffic filtering and routing-while remaining free to use and based on open, verifiable source code.
Sources: OPNsense official site
OPNsense scores 68/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest Technology options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: OPNsense official site
OPNsense is known for being a free, open-source alternative to costly commercial firewalls, offering comparable enterprise-grade features while maintaining transparent, verifiable source code developed with input from a large community of users.
Sources: OPNsense official site
OPNsense can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: OPNsense official site
OPNsense is used by IT professionals, network administrators, security enthusiasts, and organizations that need a reliable, transparent, and cost-free firewall and routing solution.
Sources: OPNsense official site
OPNsense scores 59/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
OPNsense has a limited AI-visibility profile at 59/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (68/100) and its weakest is trust (40/100). It benefits from a recognised Wikipedia company entity, a Wikidata knowledge-graph entry and a global traffic rank of #25,392 (Tranco). The main gaps holding it back: thin schema.org structured data and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify OPNsense from memory (September 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to OPNsense: Operative (84/100), OpenSRS (84/100), OpsHub (84/100), Optellum (84/100).
A step up - brands to learn from: Zuken (91/100), Zoom (91/100).
Category leader: Hostinger (97/100).
Brand Analyzer is built by DataEase AI. Track your brand in ChatGPT, Gemini and Perplexity.