Alternatives to Microsoft Entra ID
Cloud identity service for workforce and apps
Microsoft's cloud identity service for authentication, authorization, and access policies across apps and services.
Include proprietary
Order
Authelia
Lightweight authentication and authorization layer for reverse proxies
iamopen-source
Updated 2/20/2026Apache-2.0
authentik
Self-hosted identity provider with flexible authentication flows
iamopen-source
Updated 2/20/2026MIT
Keycloak
Open-source IAM for SSO, OIDC, and SAML
iamopen-source
Updated 2/20/2026Apache-2.0
ZITADEL
Open-source identity infrastructure for multi-tenant apps
iamopen-source
Updated 2/20/2026AGPL-3.0