SuperTokens
Identity & SSOOpen-source user authentication you can self-host
Replaces Auth0, Firebase Auth
Best Multi-User Identity & SSO for self-hosting
The 18 best Multi-User identity & sso you can self-host, ranked by community traction.
Logto
Identity & SSODeveloper-friendly authentication and authorization platform
Replaces Auth0, Firebase Auth
Casdoor
Identity & SSOUI-first identity and access management with SSO support
Replaces Auth0, Okta
Ory Kratos
Identity & SSOHeadless identity and user management API server
Replaces Auth0, Firebase Auth
LLDAP
Identity & SSOLightweight LDAP server with a simple web interface
Replaces Active Directory, OpenLDAP
FreeRADIUS
Identity & SSOHigh-performance open-source RADIUS server
Replaces Cisco ISE
Authgear
Identity & SSOOpen-source authentication and user management server
Replaces Auth0, Firebase Auth
privacyIDEA
Identity & SSOSelf-hosted two-factor authentication management
Replaces Duo Security, RSA SecurID
FreeIPA
Identity & SSOIntegrated identity management for Linux and Unix environments
Replaces Active Directory
Samba Active Directory DC
Identity & SSOOpen-source Active Directory compatible domain controller
Replaces Active Directory, Windows Server
Janssen Project
Identity & SSOCloud-native identity and access management platform
Replaces Okta, Auth0
midPoint
Identity & SSOOpen-source identity governance and administration platform
Replaces SailPoint, Saviynt
LDAP Account Manager
Identity & SSOWeb frontend for managing entries in an LDAP directory
Replaces Active Directory Users and Computers
OpenLDAP
Identity & SSOThe classic open-source Lightweight Directory Access Protocol server
Replaces Active Directory
Apache Syncope
Identity & SSOOpen-source system for managing digital identities
Replaces SailPoint, Okta
Univention Corporate Server
Identity & SSOIntegrated identity and infrastructure management platform
Replaces Microsoft Active Directory
Shibboleth Identity Provider
Identity & SSOStandards-based SAML identity provider for federations
Replaces Okta, Ping Identity
Hello Identity Coop
Identity & SSOOpen-source authentication broker for passwordless login
Replaces Auth0, Firebase Auth
No apps match these filters.
Every option here is open-source and self-hostable, tagged Multi-User within the identity & sso category. Compare them on the individual app pages for setup difficulty and resource requirements.