by Parth vataliya on WordPress.org

Login screen with Google option added.
Ultra minimal plugin to let your users login to WordPress applications using their GitHub accounts. No more remembering hefty passwords!
Create a project from GitHub Developer Settings if none exists.
Go to OAuth tab, then create credential for OAuth client.
YOUR_WEBSITE_NAME in Application NameYOUR_DOMAIN/HOME_URL in Homepage URLYOUR_DOMAIN/wp-login.php in Authorized redirect URIsThis will give you Client ID and Secret key.
Input these values either in WP Admin > Settings > Login With GitHub
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.