StrongKey FIDO Server
Ranked in Biometric Authentication Software ·Free plan
About
StrongKey FIDO Server (SKFS) is an open-source, FIDO Certified server for passwordless authentication in web and mobile applications. It supports FIDO2 and U2F with FIDO Certified authenticators, including Apple and Android platform FIDO keys. Organizations can deploy it on premises or in a hosted data center; high availability, disaster recovery, clustering, and replication are built in. SKFS provides single sign-on and can issue SAML assertions or use JWT tokens to authorize users. Web and mobile applications connect through REST or SOAP services. Listed integrations include Citrix ADC and Citrix Gateway, LDAP or Active Directory, and PKI. A policy module and transaction confirmation for digitally signed business transactions on Android are also included. The Tellaro appliance has a FIPS 140-2 Level 2 validated TPM, with an optional HSM configuration for Level 3 compliance. The Community Edition is free, with unlimited users, applications, and transactions stated for the solution. Standalone installation calls for Rocky Linux 9.3, OpenJDK 21, at least 20 GB of disk, 4 GB of memory, and a public fully qualified domain name.
Who it is for
SKFS is suited to enterprise and SMB teams building passwordless authentication into web or mobile applications. Its documented installation requirements and integration options are relevant to teams managing their own authentication infrastructure.
What is good
- FIDO2 and U2F support
- REST and SOAP integration for web and mobile apps
- Built-in clustering and disaster recovery
- SSO supports SAML assertions and JWT tokens
- Free Community Edition states unlimited users and transactions
What to know first
- Standalone setup requires Rocky Linux 9.3 and OpenJDK 21
- Installation requires at least 20 GB disk and 4 GB memory
- A public fully qualified domain name is required
Verdict
SKFS offers an open-source route to FIDO-based authentication with multiple deployment and integration choices. Check the standalone system requirements and determine whether the Community Edition or paid support and hosting services fit your rollout.
Compared on biometric authentication software
- Free plan
- Yesstrongkey.com
- Biometric methods
- Apple and Android phone biometrics; FIDO2-certified authenticatorsstrongkey.com
- Deployment model
- hybridstrongkey.com
- Supported platforms
- Web browsers, Windows 10, Android 7, Apple iPhone, Android devices, FIDO-certified authenticatorsstrongkey.com
- SDK languages
- Java, JavaScript, Node.jsstrongkey.com
- Audit logs
- Yesstrongkey.com
Facts
- Purpose
- StrongKey FIDO Server (SKFS) is an open-source FIDO Certified server for passwordless strong authentication in web and mobile applications.strongkey.com · 30 Sept 2026
- Protocols
- SKFS supports FIDO2 and U2F authentication with FIDO Certified authenticators.docs.strongkey.com · 30 Sept 2026
- Authenticator choice
- The product page says users can use existing FIDO-compatible devices and that StrongKey natively supports Apple and Android platform FIDO keys.strongkey.com · 30 Sept 2026
- Deployment
- StrongKey describes on-premises and hosted data-center deployment, with high availability, disaster recovery, clustering, and replication built in.strongkey.com · 30 Sept 2026
- SSO
- SKFS provides SSO capability and can issue SAML assertions or use JWT tokens to authorize authenticated users.strongkey.com · 30 Sept 2026
- Integrations
- StrongKey lists out-of-the-box integration with Citrix ADC and Citrix Gateway, plus LDAP or Active Directory and PKI integration.strongkey.com · 30 Sept 2026
- APIs
- Web and mobile applications can integrate with SKFS through REST or SOAP web services.strongkey.com · 30 Sept 2026
- Security hardware
- The Tellaro appliance includes a FIPS 140-2 Level 2 validated TPM, with an optional HSM configuration for FIPS 140-2 Level 3 compliance.strongkey.com · 30 Sept 2026
- Policy and transaction features
- SKFS includes a policy module and supports transaction confirmation for digitally signed business transactions on Android devices.strongkey.com · 30 Sept 2026
- Intended users
- StrongKey describes its support and customized services as serving enterprise and SMB customers, and its product page highlights developer integration resources.strongkey.com · 30 Sept 2026
- Installation requirement
- The documented standalone installation calls for Rocky Linux 9.3, OpenJDK 21, at least 20 GB disk space, 4 GB memory, and a public fully qualified domain name.docs.strongkey.com · 30 Sept 2026
Best StrongKey FIDO Server alternatives
See all 20
Where it ranks on Inferse
Sources
- strongkey.com/products/software/fido-strong-authentic· checked 30 Sept 2026
- docs.strongkey.com/index.php/skfs-v3· checked 30 Sept 2026
- strongkey.com/products/software/sfks-integrations· checked 30 Sept 2026
- docs.strongkey.com/index.php/skfs-v3/skfs-installation/skf· checked 30 Sept 2026