Add Libravatar

#140

README.md

@@ -347,7 +347,7 @@ _Recipe management_
   * [FreeRADIUS](http://freeradius.org/) - high performance and highly configurable multi-protocol policy/authentication server, supporting RADIUS, DHCPv4 and VMPS ([Source Code](https://github.com/FreeRADIUS/freeradius-server)) `GPLv2` `C`
    * [daloRADIUS](http://www.daloradius.com) - open-source web management platform for FreeRADIUS-based deployments ([Source Code](https://github.com/lirantal/daloradius)) `GPLv2`
   * [IndieAuth](https://indieauth.com) - Sign in with your domain name (using the [rel-me-auth](http://microformats.org/wiki/relmeauth) protocol) `Apache` `Ruby`
-  * [Libravatar](https://www.libravatar.org/) -  a service which delivers your avatar (profile picture) to other websites
+  * [Libravatar](https://www.libravatar.org/) - Libravatar is a service which delivers your avatar (profile picture) to other websites. ([Demo](https://www.libravatar.org/account/new/), [Source code](https://github.com/libravatar/libravatar)) `AGPLv3` `Python`
   * [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/)
   * [OSIAM](https://www.osiam.org) - Open Source Identity and Access Management implementing OAuth 2.0 and SCIMv2. ([Source code](https://github.com/osiam/osiam)) `MIT` `Java`