Add pleroma to Social Network list

README.md

@@ -410,6 +410,7 @@ _[IPBX](https://en.wikipedia.org/wiki/IP_PBX) telephony software_
 - [Jappix](https://jappix.com/) - Jappix is an open social platform, that let's you easily get or keep in touch with everyone. ([Source Code](https://github.com/jappix/jappix)) `AGPL-3.0` `PHP`
 - [Loomio](https://www.loomio.org/) - Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. ([Source Code](https://github.com/loomio/loomio)) `AGPL-3.0` `Ruby`
 - [Mastodon](https://joinmastodon.org/) - Federated microblogging server, an alternative to GNU social. ([Source Code](https://github.com/tootsuite/mastodon)) `AGPL-3.0` `Ruby`
+- [Pleroma](https://pleroma.social) - Federated microblogging server, Mastodon, GNU social, & ActivityPub compatible.([Source Code](https://git.pleroma.social/pleroma/pleroma))`AGPL-3.0` `Elixir`
 - [MyBB](http://www.mybb.com/) - Free, extensible forum software package. ([Source Code](https://github.com/mybb/mybb)) `LGPL-3.0` `PHP`
 - [Newebe](http://newebe.org/) - Distributed Social Network. ([Source Code](https://github.com/gelnior/newebe)) `AGPL-3.0` `Python`
 - [NodeBB](https://nodebb.org/) - Node.js based forum software built for the modern web. ([Source Code](https://github.com/NodeBB/NodeBB)) `GPL-3.0` `Nodejs`