Does Anyone Know What is This Background Chatbox addon?

[karbz971]

I found this chatbox on one random Cinema server and I liked it a lot, but the server died before I wanted to ask anyone what was the addon called. Does anyone know the name of it? I want to get this for my own sandbox server.
[IMG]http://i.imgur.com/1TxyXzH.png[/IMG]

[YoutoYokodera]

Maybe custom
Idk this look weird