modemlooper

Allows users to log into your site with a WordPress.com user account. Adds a WordPress.com connect button to your login form.

WPConnect

Allows users to log into your site with a WordPress.com user account. Adds a WordPress.com connect button to your login form.

Parth vataliya

Ultra minimal plugin to let your users login to WordPress applications using their GitHub accounts. No more remembering hefty passwords!
<h3>Initial Setup</h3>
<ol>
<li>
Create a project from <a href="https://github.com/settings/developers" rel="nofollow ugc">GitHub Developer Settings</a> if none exists.
</li>
<li>
Go to OAuth tab, then create credential for OAuth client.
<ul>
<li>Add <code>YOUR_WEBSITE_NAME</code> in Application Name</li>
<li>Add <code>YOUR_DOMAIN/HOME_URL</code> in Homepage URL</li>
<li>Add <code>YOUR_DOMAIN/wp-login.php</code> in Authorized redirect URIs</li>
</ul>
</li>
<li>
This will give you Client ID and Secret key.
</li>
<li>
Input these values either in <code>WP Admin > Settings > Login With GitHub</code>
</li>
</ol>
<h3>How to enable automatic user registration</h3>
You can enable user registration by 
– Enabling Settings > Login With GitHub > Enable GitHub Login Registration
Note: If the checkbox is ON then, it will register valid GitHub users even when WordPress default setting, under
Settings > General Settings > Membership > Anyone can register checkbox
is OFF.

Login with GitHub

Minimal plugin that allows WordPress users to log in using GitHub.

WPConnect vs Login with GitHub