Top 10 Open Source MFA Tools Based on GitHub Stars in '25

Top 10 Open Source MFA Tools Based on GitHub Stars in ’25

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Based on their MFA and customization capabilities we categorized the top 10 open source multi-factor authentication tools into two distinct categories: tools with extensive MFA support and tools with light MFA support . Keycloak, Authelia, Authentik, Zitadel, and Kanidm Tool MFA capabilitites # of GitHub stars (k) # of contributors Keycloak Extensive MFA support 24.8 1,270+ Keycloak, Authelia, Authentik, Zitadel, and Kanidm offer extensive MFA capabilities. These tools offer: Several MFA methods: TOTP, WebAuthn, SMS, OIDC (OpenID Connect), Email, Push, Hardware tokens (e.g., YubiKey), biometric authentication, and approval-based MFA. Several authentication protocols : OAuth2, OIDC (OpenID Connect), SAML, LDAP, and RADIUS. Higher customization: Granular RBAC, and custom social SSO connections (OIDC/OAuth2) over MFA policies. Authentik , Authelia , and Zitadel share similarities with Kanidm , supporting essential functionalities like […]

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