* Comunicação instantânea / VoIP
* [Chat simples](https://drupal.org/project/chatroom).
* [Crypptocat](https://crypto.cat/): não recomendado por conta de uma arquitetura problemática.
+ * [Mumble](http://mumble.sourceforge.net).
* Asterisk/SIP: puppet-asterisk: [1](https://github.com/camptocamp/puppet-asterisk) e [2](https://github.com/AhmedElGamil/puppet-asterisk).
* Jabber
* [ejabberd](http://packages.debian.org/stable/ejabberd) ([puppet-ejabberd](https://git.sarava.org/?p=puppet-ejabberd.git)).
* [prosody](http://packages.debian.org/stable/prosody).
* [puppet-openfire](https://github.com/ghoneycutt/puppet-openfire).
* [jappix](https://jappix.com/).
- * Mumble
* IRC gateway:
* [qwebirc](http://www.qwebirc.org) ([puppet-qwebirc](https://git.sarava.org/?p=puppet-qwebirc.git)).
* [iris](http://www.atheme.net/iris.html).