StrongKey FIDO Server
StrongKey FIDO Server: A strong open-source FIDO platform for organizations prioritizing passwordless access. Ranked #24 of 45 in Biometric Authentication Software by our editors (6.5/10); pricing: Free plan; best for organizations wanting open-source FIDO authentication.
At a glance
- Editor score6.5 / 10
- PricingFree plan
- Best forOrganizations wanting open-source FIDO authentication
- Free planYes
- Paid fromFree
- Deployment modelHybrid
- Facts checked22 Sep 2026
Where it wins
- Free open-source FIDO2 and U2F authentication
- Supports passwordless access, SSO, LDAP, and REST or SOAP services
- Includes clustering, replication, high availability, and disaster recovery
Where it doesn't
- Biometric support centers on Apple and Android phone biometrics
- The verified feature set is more FIDO-focused than biometric-specific
- Documentation is the listed support channel
Our verdict on StrongKey FIDO Server
StrongKey FIDO Server is an open-source authentication server for organizations implementing passwordless login, two-factor authentication, and single sign-on. It supports FIDO2 and U2F authentication, FIDO-certified authenticators, Apple and Android platform keys, and phone biometrics on supported devices. The product is available as a Community Edition, with supported commercial versions and hosted services also offered. Its fit spans small, mid-market, and enterprise organizations that want to manage FIDO authentication across web, Windows, Linux, iOS, Android, API, or self-hosted environments.
Its ecosystem fit is a major strength. StrongKey FIDO Server provides REST and SOAP web services, SAML and JWT-based single sign-on, LDAP compatibility, Citrix ADC integration, and FIDO Alliance Metadata Service support. SDK language support includes Java, JavaScript, and Node.js. Deployment options include cloud, self-hosted, on-premises, hosted data centers, private clouds, and hybrid arrangements, giving teams several ways to align the server with an existing application and infrastructure strategy.
The product also addresses organizations that need operational continuity, with high availability, disaster recovery, clustering, and replication. FIPS 140-2 hardware-backed security is available through Tellaro appliances, and audit logs are supported. The main boundary is its category fit: the published capabilities emphasize FIDO authentication rather than a broad biometric platform, with biometric methods centered on Apple and Android phone biometrics plus FIDO2-certified authenticators. Organizations seeking open-source passwordless authentication with SSO and infrastructure options should consider it; teams needing a wider range of dedicated biometric modalities should look elsewhere.
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StrongKey FIDO Server pricing
StrongKey FIDO Server fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Biometric methods | Apple and Android phone biometrics; FIDO2-certified authenticators |
| Deployment model | Hybrid |
| Supported platforms | Web browsers, Windows 10, Android 7, Apple iPhone, Android devices, FIDO-certified authenticators |
| SDK languages | Java, JavaScript, Node.js |
| Audit logs | Yes |
| Included users | Not verified |
| Deployment | Cloud, Self-hosted |
| Platforms | Web, Windows, Linux, iOS, Android |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: REST, SOAP, SAML, LDAP, Citrix ADC, FIDO Alliance Metadata Service |
| Pricing | Free plan |
| Website | strongkey.com |
| Facts checked | 22 Sep 2026 |
StrongKey FIDO Server integrations
StrongKey FIDO Server lists 6 integrations on its own site.
- REST
- SOAP
- SAML
- LDAP
- Citrix ADC
- FIDO Alliance Metadata Service
Alternatives to StrongKey FIDO Server
- Sensory TrulySecureA focused SDK for device makers needing on-device face, voice, and liveness authentication.9.0
- 1Kosmos BlockIDEnterprise passwordless access combining biometrics, FIDO2, identity verification, and integrations.8.8
- HID DigitalPersonaA broad biometric and MFA platform for Windows-centered enterprise access.8.7
See all StrongKey FIDO Server alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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