yahoo/aol/msn messenger

i heard about something once, yahoo,aol and msn messenger all in one and i've tried to look it up on the internet and nothing comes up...i'm just curious if anyone has heard of it or knows waht it's called

oooo its called Trillian... pretty sure! i had it once then i kinda messed it up and did something lol! hope this helps

http://www.download.com/3000-2150-10047473.html

thank yoU!