18 open-source Identity vendors.

Open-source software for Identity that you can self-host, with auditable source code — regardless of the developer's headquarters.

• AuthentikNon-EU vendor

  authentik is an open-source identity provider (MIT-licensed core) developed by US company Authentik Security Inc. (Delaware PBC, Philadelphia PA), backed by Open Core Ventures. An enterprise tier with additional features is available as source-available software.

  United States · owner in United States

• Evolveum midPointSelf-hosted / open source

  Slovak open-source identity governance and administration platform

  Slovakia

• FreeIPASelf-hosted / open source

  FreeIPA is a free, open-source (GPLv3) identity management suite sponsored by Red Hat (a US/IBM subsidiary), developed primarily at Red Hat Czech s.r.o. in Brno. Deployed as self-hosted software; ultimate control rests with IBM/Red Hat (US).

  Czechia · owner in United States

• GluuNon-EU vendor

  Open-source identity and access management platform with EU hosting

  United States

• HankoEU sovereign

  EU passkey-first authentication components for customer identity

  Germany

• KanidmSelf-hosted / open source

  Open-source identity/directory; self-hostable.

  Germany

• KeycloakNon-EU vendor

  Open-source identity and access management by Red Hat

  United States

• LemonLDAP::NGSelf-hosted / open source

  French open-source SSO/IDP.

  France

• midPoint (Evolveum)EU sovereign

  EU identity governance; self-host.

  Slovakia

• NethServerSelf-hosted / open source

  Italian open-source server platform with identity management and groupware

  Italy

• OpenLDAPSelf-hosted / open source

  open-source LDAP directory service for identity management

  Germany

• OryEU sovereign

  German open-source identity infrastructure for cloud-native apps

  Germany

• privacyIDEASelf-hosted / open source

  EU MFA/token server; self-hostable.

  Germany

• ShibbolethNon-EU vendor

  Open-source identity federation framework for SSO in education and government

  United Kingdom

• SimpleSAMLphpSelf-hosted / open source

  Open-source SAML toolkit; self-hostable.

  Norway

• UniventionEU sovereign

  Open-source identity management and IT infrastructure from Germany

  Germany

• WSO2 Identity ServerNon-EU vendor

  Open-source identity server for API security and identity federation

  United States · owner in Sweden

• ZitadelEU sovereign

  Swiss open-source identity management with cloud-native architecture

  Switzerland