kowack

An open protocol to allow secure API authorization in a simple and standard method from desktop and web applications.

OAuth.php

Matthias Pfefferle

David Shanske

IndieWeb

The plugin turns WordPress into an IndieAuth endpoint. This can be used to act as an authentication mechanism for WordPress and its REST API, as well as an identity mechanism for other sites. It uses the URL from the profile page to identify the blog user or your author url. We recommend your site be served over https to use this. 
 measure then updates must be made.You can also install this plugin to enable web sign-in for your site using your domain.

IndieAuth

Works perfectly! Guides you on how to setup your .htaccess too.

Easy to setup

IndieAuth is a way to allow users to use their own domain to sign into other websites and services.

OAuth.php vs IndieAuth