Microsoft Entra ID: The Best Open-Source Alternatives

Microsoft Entra ID is a cloud-based IAM solution for identities and access to applications and resources. It combines single sign-on, multi-factor and passwordless authentication with conditional access policies, self-service, and central administration.

The directory lists Microsoft Entra ID in the «Identity and Access Management (IAM)» category.

Here you can find open-source alternatives, and separately marked source-available alternatives, to «Microsoft Entra ID» (external link) in the category «Identity and Access Management (IAM)».

In the Category «Identity and Access Management (IAM)»

Authelia

Authelia adds single sign-on, multi-factor authentication, and rule-based access control for web applications to reverse proxies.

authentik

authentik is a self-hostable identity provider for SSO that connects applications via OIDC, SAML, LDAP, RADIUS and other protocols.

Casdoor

Casdoor is a self-hostable IAM and SSO platform with user management, a web console, and support for numerous identity protocols.

Kanidm

Kanidm manages identities centrally and connects web applications, Linux systems, SSH access, and network and VPN sign-ins.

LLDAP

LLDAP provides a simplified LDAP directory with a web interface for users, groups, passwords and custom attributes.

Pocket ID

Pocket ID provides a passwordless OpenID Connect and OAuth 2.0 provider where users sign in with passkeys.