I use them on Caelestia.Net
The servers are
DarkStar.Caelestia.net , Immertot.Caelestia.net , Aurora.Caelestia.net , Apollo.Caelestia.net ,
Unknown.Caelestia.net , Leviathan.Caelestia.net , Niflheim.caelestia.net & TirNaNog.caelestia.net
The Fsay/Faction commands allow you to speak as another person ( the nick will not be underlined - are usable by IRCops only ).
The NPC , NPCA commands allow you to speak as another person ( the nick will be underlined )
The bs say / bs act allow you to speak through the channel bot as the bot.
The amb command will start the sentece like