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.

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Authelia logo

Authelia

Lightweight authentication and authorization layer for reverse proxies

iamopen-source
Updated 2/20/2026Apache-2.0
authentik logo

authentik

Self-hosted identity provider with flexible authentication flows

iamopen-source
Updated 2/20/2026MIT
ZITADEL logo

ZITADEL

Open-source identity infrastructure for multi-tenant apps

iamopen-source
Updated 2/20/2026AGPL-3.0