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@@ -193,7 +193,8 @@ CMS are a practical way to setup a website with many features. CMS often come wi
 
 ## Federated Identity/Authentication
 
-  * [BrowserID/Mozilla Persona](https://developer.mozilla.org/en-US/Persona/Identity_Provider_Overview)
+* [Auth0](https://auth0.com/docs/appliance): `⊘ Proprietary`. Identity made simple for developers. `NodeJS`
+* [BrowserID/Mozilla Persona](https://developer.mozilla.org/en-US/Persona/Identity_Provider_Overview)
   * [Libravatar](https://www.libravatar.org/) -  a service which delivers your avatar (profile picture) to other websites
   * [OpenCA OCSPD](https://pki.openca.org/projects/ocspd/) - [OCSP](https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol) Responder
   * [OpenID/OpenID Connect](http://openid.net/developers/libraries/)