21 open-source Identity vendors
Open-source software for Identity that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 21
- European
- 12
- foreign-owned
- 3
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100Evolveum midPointSlovakia · Self-hosted / open sourceSlovak open-source identity governance and administration platform
- Sovereignty score 94 out of 100FreeIPACzechia · Self-hosted / open source · owner in United StatesFreeIPA 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).
- Sovereignty score 94 out of 100HankoGermany · EU sovereignEU passkey-first authentication components for customer identity
- Sovereignty score 94 out of 100KanidmGermany · Self-hosted / open sourceOpen-source identity/directory; self-hostable.
- Sovereignty score 94 out of 100LemonLDAP::NGFrance · Self-hosted / open sourceFrench open-source SSO/IDP.
- Sovereignty score 94 out of 100midPoint (Evolveum)Slovakia · EU sovereignEU identity governance; self-host.
- Sovereignty score 94 out of 100NethServerItaly · Self-hosted / open sourceItalian open-source server platform with identity management and groupware
- Sovereignty score 94 out of 100NitrokeyGermany · Self-hosted / open sourceGerman maker of open-source IT security hardware (Nitrokey keys, NetHSM) from Teltow; firmware on GitHub under Apache 2.0 and MIT.
- Sovereignty score 94 out of 100privacyIDEAGermany · Self-hosted / open sourceEU MFA/token server; self-hostable.
- Sovereignty score 94 out of 100SimpleSAMLphpNorway · Self-hosted / open sourceOpen-source SAML toolkit; self-hostable.
- Sovereignty score 94 out of 100UniventionGermany · EU sovereignOpen-source identity management and IT infrastructure from Germany
- Sovereignty score 82 out of 100ZitadelSwitzerland · EU sovereignSwiss open-source identity management with cloud-native architecture
- Sovereignty score 79 out of 100ShibbolethUnited Kingdom · Self-hosted / open sourceOpen-source identity federation framework for SSO in education and government
- Sovereignty score 77 out of 100CerbosUnited Kingdom · Self-hosted / open sourceOpen-source authorization engine (Cerbos PDP, Apache 2.0) from the London company behind Cerbos, for policy-based access control in applications.
- Sovereignty score 71 out of 100AuthentikUnited States · Non-EU vendor · owner in United Statesauthentik 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.
- Sovereignty score 71 out of 100GluuUnited States · Non-EU vendorOpen-source identity and access management platform with EU hosting
- Sovereignty score 71 out of 100KeycloakUnited States · Self-hosted / open sourceOpen-source identity and access management by Red Hat
- Sovereignty score 71 out of 100OpenLDAPUnited States · Self-hosted / open sourceopen-source LDAP directory service for identity management
- Sovereignty score 71 out of 100OryUnited States · Non-EU vendorOpen-source identity infrastructure for cloud-native apps from Ory Corp (Scottsdale, US)
- Sovereignty score 71 out of 100WSO2 Identity ServerUnited States · Non-EU vendor · owner in SwedenOpen-source identity server for API security and identity federation
- Sovereignty score 69 out of 100TeleportUnited States · Self-hosted / open sourceOpen-source identity platform for infrastructure, machines and AI agents, from Gravitational, Inc. in Oakland (US); core under AGPL-3.0.
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