OPNsense
9.4#1 in firewall softwareFree planFree planAndroidiOSWebAPI
VisitOPNsense vs strongSwan
strongSwan
7.3#18 in virtual private network softwareFree planFree planAndroidiOSLinuxmacOS
VisitWhat both publish
| Fact | OPNsense | strongSwan |
|---|---|---|
| Authentication | The product documents one-time-password authentication and supports LDAP, Active Directory, RADIUS, captive portal authentication, and 802.1X through plugins. | Authentication options include EAP methods, X.509 certificates, pre-shared keys, and IKEv2 multiple authentication exchanges. |
| Founded | 2014 | 2005 |
| Free plan | Yes | Yes |
OPNsense plans
- Business Edition—
- Business Edition 3Yr—
- Community EditionFree
- OPNsense Business Edition 1yr subscription€149 a year
- OPNsense Business Edition (3Yr)€399, paid once
- OPNsense Business Edition 3Yr€399 a year
strongSwan plans
- GPLv2 open-source licenseFree
- Commercial license and supportPriced on request
Pick OPNsense if…
OPNsense suits people and organizations seeking a self-hosted firewall and routing platform with VPN, traffic monitoring, and intrusion-prevention capabilities. Its Business Edition is intended for companies, enterprises, and professionals seeking commercial features and a selective upgrade path.
Pick strongSwan if…
You want what its maker publishes above — check its page for the details.