All in One Messenger

Which Is The Best All in One Messenger who’s I use and can hide my on line status any time. I try many like nimbuzz , trillian etc but not suitable for me .
Please suggest good and unique one.
Answer #1
Trillian use to be good, the new Astra sucks, they stripped out many features to make the new cute and bubbly ui that all the noobs want.
Try Pidgin.
Answer #2
Pidgin can hide my on line status for Facebook and Yahoo ?