Fortinet Secure Networking is a commercial next-gen firewalls solution by Fortinet. OpenSnitch is a free next-gen firewalls solution. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Organizations consolidating NGFW, SD-WAN, and SASE under one vendor
For SMBs, Fortinet is one of the few enterprise-grade NGFW vendors that scales down to smaller environments without a completely different product line. The FortiGate appliances cover everything from small branch offices to large data centers. The managed SOC-as-a-Service option is worth considering if you don't have 24x7 coverage internally.
From Best Next-Generation Firewall Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Converged network security platform with NGFW, SD-WAN, SASE, and SecOps
OpenSnitch is a GNU/Linux application firewall with interactive outbound connections filtering and system-wide domain blocking capabilities.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Fortinet Secure Networking fits if you need both cloud and on-premises options and you are an enterprise.
OpenSnitch fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
Common questions when comparing Fortinet Secure Networking vs OpenSnitch for next-gen firewalls.
Fortinet Secure Networking: Converged network security platform with NGFW, SD-WAN, SASE, and SecOps. Built by Fortinet.
OpenSnitch: OpenSnitch is a GNU/Linux application firewall with interactive outbound connections filtering and system-wide domain blocking capabilities.
The table above shows where their features, integrations, deployment and company size fit differ.
Fortinet Secure Networking is made by Fortinet. OpenSnitch is open-source with 12,981 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Fortinet Secure Networking and OpenSnitch are both Next-Gen Firewalls products. Key differences: Fortinet Secure Networking is Commercial while OpenSnitch is Free, OpenSnitch is open-source. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best Next-Generation Firewall Solutions for Business picks Palo Alto Networks Next-Generation Firewalls, Fortinet FortiGate Next-Generation Firewall, Cisco Secure Firewall and 4 more.See the shortlist