6 links
Mess with MSN Messenger
mess.be
Daily updates about the latest tricks, toys and messenger related downloads.
Messenger History
messengerhistory.com
Saves all AIM and MS chats automatically. Offers functions for searching in chats and Buddy status history.
Microsoft Portrait
research.microsoft.com
Low bitrate video conferencing software that supports MSN Messenger and ILS on PC and Pocket PC.
MSN Messenger Protocol Overview
hypothetic.org
Unofficial overview of the MSN Instant Messenger protocol.