OPNsense vs Fortinet FortiGate
A detailed comparison to help you choose between OPNsense and Fortinet FortiGate.
OPNsense Open-source firewall with modern web UI and plugin system. | Fortinet FortiGate Enterprise next-gen firewall with integrated SD-WAN. | |
|---|---|---|
| Rating | 4.6 (398 reviews) | 4.5 (308 reviews) |
| Pricing Model | free | paid |
| Starting Price | Free | From $0/mo |
| Best For | Best for users wanting network-level firewall protection | Best for users wanting network-level firewall protection |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | — | — |
OPNsense
Pros
- + Supports IPsec, OpenVPN, and WireGuard
- + Free Community Edition available
- + Open source under 2-Clause BSD license
- + Multi-WAN load balancing and failover support
- + Plugin ecosystem plus API availability
- + Optional Business Edition with conservative updates
Cons
- - Throughput drops with VPN plus IDS/IPS enabled
- - Business Edition license is per installation
- - Requires real networking knowledge to run well
- - No clear general refund window stated publicly
Fortinet FortiGate
Pros
- + FortiGuard bundles cover IPS, filtering, and more
- + Supports IPsec and SSL VPN remote access
- + FortiClient VPN client is documented as free
- + Common Criteria certifications are publicly listed
- + Available as hardware, VM, and FortiGate-as-a-Service
Cons
- - SSL VPN availability varies by model and firmware
- - Pricing varies by SKU, bundle, and reseller
- - Requires disciplined patching due to active targeting
- - Closed-source platform with subscription-driven features
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