What does HackerNews think of zitadel?

ZITADEL - The best of Auth0 and Keycloak combined. Built for the serverless era.

Language: Go

#14 in Serverless
The software is open source under Apache 2.0 (https://github.com/zitadel/zitadel). No open core or similar, we run the same version on our Cloud Service and for Enterprises. Thanks for the feedback, we need to make that more obvious then.
You might want to give ZITADEL a spin https://github.com/zitadel/zitadel SAML2.0 is on a PR right now, but ready to be merged very soon. Would be glad to get your feedback. (discl. I work for ZITADEL)
In case you're looking for multi-tenancy with self-service, maybe try out https://github.com/zitadel/zitadel Would be glad to get your thoughts on the platform. (discl: I work for ZITADEL.
Disclaimer I work at ZITADEL and am one of the co-founders.

We always recommend not building auth by yourself. In the first place it may look simple like its only two input fields and a button (username, password), but to get a really secure solution its a lot more to do. You might need some more authentication methods like passwordless, mfa or identity brokering with google, microsoft, etc.

With ZITADEL we built a solution that combines best of Auth0 (great SaaS solution) and Keycloak (opensource). We believe that a cloud SaaS solution is great to go if its possible to use a cloud solution, but there are always lots of on-prem use cases, thats why we are opensource. https://github.com/zitadel/zitadel

ZITADEL is also focused on B2B usecases, so you can have multi tenancy really easy.

If you have any questions just let me know.

Maybe https://github.com/zitadel/zitadel could be an alternative to you.

Its written in Go, can be self-hosted or used from a cloud service.

It will also soon (end of May) provide SAML 2.0 support besides the current OpenID Connect and OAuth support.

Disclaimer: I am one of the authors ;-)

You might want to have a look on zitadel [1]

If you are intrigued into the differences, you can read some of them here [2]

Oh and judging from your username: it could be interesting to you... because we use eventsourcing and cqrs ;-)

Disclaimer: I am one of the authors

1. https://github.com/zitadel/zitadel/

2. https://zitadel.ch/blog/zitadel-vs-keycloak