aMSN is an free open source MSN Messenger clone, featuring:
Offline Messaging
Voice Clips
A New Login Window & Contact List (As of 0.97)
Display pictures
Custom emoticons
Multi-language support (around 40 languages currently supported)
Sign in to more than one account at once
File transfers
Group support
Normal, and Animated Emoticons with sounds
Chat logs
Event alarms
Webcam support
History in color
Ability to Autoclose the filetransfer window when it is finished
New plugins log window (Alt-P)
Plugins compatible with supported languages
FASTER loading skin window
Skins in chatwindow
Resizable chatwindow bottom
When you add a new user, you can define in which group you want to add them
When a contact change status, the top of the chat window changes color ( green for away, grey for offline, etc.)
New panel GUI to alert when there's a new aMSN version
Possibility to download the new release directly by aMSN
Automatically update language files and plugins from the web
New gui for deleting users (also possible to block on deletion)
Possible to add notes for each user (XML)
Support for MSN Mobile service
Tabbed windows so you can group conversations using tabs
Status is displayed inside a frame, so it won't dissapear when you scroll
Display picture in notification alert (like MSN 7)
Statistics for history (logging)
Now possible to choose any state for your login status (before it was only possible to login invisible or oline)
Timestamping