Merge c89bab7b67 into 9ea99fccb0

README.md

 * [Aura.Auth](https://github.com/auraphp/Aura.Auth) - Provides authentication functionality and session tracking using various adapters.
 * [SocialConnect Auth](https://github.com/socialConnect/auth) - An open source social sign (OAuth1\OAuth2\OpenID\OpenIDConnect).
 * [Json Web Token](https://github.com/lcobucci/jwt) - Json Tokens to authenticate and transmit information.
+* [Logto](https://github.com/logto-io/logto) - An IAM service with AuthN, AuthZ, MFA, SSO, multi-tenancy, and user management.
 * [OAuth 1.0 Client](https://github.com/thephpleague/oauth1-client) - An OAuth 1.0 client library.
 * [OAuth 2.0 Client](https://github.com/thephpleague/oauth2-client) - An OAuth 2.0 client library.
 * [OAuth2 Server](https://bshaffer.github.io/oauth2-server-php-docs/) - Another OAuth2 server implementation.