This would be a absolutely vital Feature for considering the proton Stack as a serious alternative in a company context. Single sign on is just to much of a comfort and security loss when thinking about switching from google/entra to something else.

I joined proton to gradually eliminate Google (and the other big players) from my life. It's difficult to do when Proton doesn't offer this service.

Guys, you wanna be a proper european alternative or not? Because i'm sitting her with my oauth service having to look at x and facebook, whose indoctrination made trump and a lot of right-wing party percentages in europe even possible. I added BlueSky so I can finally remove them, but how about you get your sh together, because i want to finally have an alternative to google login as well.

This feature would be extremely useful especially when paired with email aliases, especially for services like Tailscale or really anything you'd rather not have associated with your real name or email.

I just signed in to search or post this exact item. Especially with the simple login integration, this would be extremely helpful!

I'd like to have a private version of Oatuh and potentially other authentication methods for 3rd party apps that authenticate/authorize with Proton.
In my mind this service will allow me to, while authorizing the app, pick and choose the data I share, like email: email alias, name: a pass configured identity, and similar.

I love the convenience of logging into services with my Google account and use it often, though I know it makes me dependent on Google. Creating separate accounts with my email is too cumbersome. A 'Login with Proton' option on websites, like at https://app.simplelogin.io/auth/login, would be fantastic. As a web/app developer, I would definitely implement it in my apps if it's easy to use.

I understand it takes time for websites to adopt new login options, but it won't happen if it doesn't exist. This would be a great way to enhance Proton's recognition on the web.

Worth knowing you can actually do this with simplelogin as they are owned by proton.

However support using webfinger authed Oauth2 ( RFC 7033) is not currently implemented and so you cannot use it for stuff like tailscale:

https://github.com/simple-login/app/discussions/1927

Possible duplicate: https://protonmail.uservoice.com/forums/945460-general-ideas/suggestions/47641541-proton-identity-sso-idp

This could also be good for marketing on proton's end. People singing in will see "Sign In With Proton", and then might search google, to find out what proton is.

It would be so cool if I could use this internally on my own local sites with OIDC.

That way, one would actually only require one password / passkey to log into all their services, password manager, cloud and email.

it would be lovely if implemented like the apple one: https://support.apple.com/en-us/102379

to have disposable account without data related without having to use pass

Wanted to create similar idea, that is AWESOME I'm not the only one who understands NECESSITY for this

For example- signing in the X [Twitter]

Something like login with apple, login with facebook and login with google. Same thing but login with Proton Mail!!!!!

I love that idea. But then, developers need to implement it, right? I'm not sure companies are ready to pay for this since Proton is still a niche compare to Google.

Allow user access managment with Proton/SimpleLogin and use SimpleLogin as oauth provider / SSO for other platforms like Sign in With Google or 365. This will make Proton more central in organisations and can greatly benefit small enterprises who do not have this yet and even families.

Yep, just now i was looking into this, was going to use protonmail api's. Does not seem that ill have much luck with this

I'm switching back to Google because of this. The ease of OAuth is amazing. Plus, as a developer, I would like to offer the option.
Furthermore, it's publicity for your service.

First thing I went looking for when I signed up for protonmail.

Awesome Idea, I hope they do this.