windows live messenger substitute

I'm looking for program that can replace MSN and few other communicators with one application
the only important thing that it have to contain is message history

You know, despite its name's meaning, Lisp actually has waaaay less list functions than Haskell. Indeed, the sheer profusion of list functions is one of the best advantages of Haskell.

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Which is more dead, lisp or haskell?