OnionHop routes desktop traffic through Tor, with proxy and system-wide VPN modes, bridges, split tunneling, and a kill switch.
OPNsense
OPNsense provides open-source firewall and routing software, with project documentation and support information on its site.
About OPNsense
OPNsense is an open-source firewall and routing platform, according to its homepage, for network protection. Its stated features include a stateful firewall for IPv4 and IPv6, multi-WAN load balancing and failover, integrated IPsec and OpenVPN plus pluggable Tinc and WireGuard, CARP-based hardware failover, RRD graph reporting, and inline intrusion prevention with Suricata and Proofpoint's Emerging Threats Open rules. The homepage also mentions an OPNsense Business Edition, a community forum, documentation, and a free introduction course, while pricing for paid options is not listed.
Key features
- Stateful firewall supports IPv4 and IPv6 with live views of blocked or passed traffic.
- Multi WAN capabilities include load balancing and failover support.
- Integrated IPsec and OpenVPN support, plus pluggable Tinc and WireGuard support.
- CARP-based automatic hardware failover with state synchronization for high availability.
- Modern RRD graphs support zoom and export; NetFlow analyzers show active users and applications.
- Inline intrusion prevention uses Suricata and Proofpoint Emerging Threats Open rules; ET PRO optional.
Best for: Network administrators and organizations needing an open-source firewall and routing platform with VPN, multi-WAN, failover, and intrusion prevention.
Good for
- Open source platform with a simplified BSD/MIT license, according to the homepage.
- Covers firewall, multi-WAN, VPN, hardware failover, monitoring, and intrusion prevention.
- Community includes over 300,000 participants worldwide and contributes to development.
Watch out for
- ET PRO intrusion prevention rules are a commercial subscription; ET PRO Telemetry requires sign-up.
- WireGuard and Tinc are described as pluggable support, not integrated like IPsec and OpenVPN.
- The homepage lists no pricing for the Business Edition or Q-Feeds subscription.
OPNsense at a glance
- Website
- opnsense.org
- Category
- Privacy & Security › Desktop & OS Privacy
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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OPNsense FAQ
What is OPNsense?
The homepage describes it as an open-source firewall and routing platform that offers network protection.
What VPN protocols does OPNsense support?
It has integrated support for IPsec, including route-based, and OpenVPN, plus pluggable support for Tinc and WireGuard.
What intrusion prevention options are available?
OPNsense uses Suricata with Proofpoint Emerging Threats Open rules; optional ET PRO requires a commercial subscription or ET PRO Telemetry sign-up.
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