[shadowfacts]

Yes. This is how, for example, Tailscale implements bring-your-own identity provider: https://tailscale.com/blog/custom-oidc

It is, to date, the only non-selfhosted service with which I can use my self-hosted SSO setup.

[francislavoie]

I feel like I remember StackOverflow (and related sites) having OpenID login as an option, but I don't see it anymore. I figure they removed it due to low popularity.

[Terretta]

> removed it due to low popularity

Gotta get that sweet sweet SSO Tax revenue, and justify it by blaming setup and integration expense for SAML?

[yrro]

Sourceforge used to have it too!