Sure, Keycloak Keycloak is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: 🔐  Zitadel .

  1. So is 🔐 Zitadel

    Identity and Access Management

    ★ 9.4k security identity-management access-management License: Apache-2.0

    ZITADEL is the identity infrastructure, simplified for you.