The best open source alternative to IndieAuth is OpenID. If that doesn't suit you, our users have ranked more than 10 alternatives to IndieAuth and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to IndieAuth are OAuth, Portier, humanID and IndieLogin.
OpenID is an easy and safe way for people to reuse an existing account and user profile from an identity provider, for example Apple, Google, or Microsoft to sign-in to any OpenID-enabled applications and websites without creating a new registration and password.
An open protocol to allow secure authorization in a simple and standard method from web, mobile and desktop applications.
Portier (pronounced "Por-tee-ay") is a self-hostable login service that you can use instead of passwords. Portier sits between your website and third-party services like Google Sign-In to provide your users the fastest and easiest login experience, without ever needing...
A project of the Bluenumber Foundation, humanID is an independent single sign-on built for privacy and designed to restore integrity to the web. We believe the path to a safer internet is a user-centric digital identity system that is both accountable and anonymous.
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