[quote=@Lugubrious]
<Snipped quote by Caits>

Teamspeak is a voice chat kinda like skype, a little less versatile but more effective.  I could also go for Teamspeak.  I don't remember if there's a way to communicate with it without talking, though, so people without mikes would have to sit out.
[/quote]
[@Caits]

There is a text chat.