Sure, Clerk Clerk is awesome.

But have you considered these open source alternatives?

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

Check by yourself: 🔐  Hanko .

  1. So is 🔐 Hanko

    The Complete Authentication and User Management Solution for the Passkey Era

    ★ 7.5K security identity-management License: AGPLv3, MIT

    Hanko is an open-source authentication and user management solution with a focus on moving the login beyond passwords while being 100% deployable today.