Is there any initiative or attempts to reverse engineer its protocol?
It's closed source because they want it to be secret, other vendors with
the same attitude repeatedly change their protocols to thwart third
party clients, and I wouldn't expect skype to behave any differently.
That sort of thing puts a bit of a dent in people wanting to reverse
[tim@localhost ~]$ uname -r
Don't send private replies to my address, the mailbox is ignored. I
read messages from the public lists.