MSN is a free open source MSN Messenger clone, with features such as:
- Display pictures
- Custom emoticons
- Multi-language support (around 40 languages currently supported)
- Webcam support
- Sign in to more than one account at once
- Full-speed File transfers
- Group support
- Normal, and animated emoticons with sounds
- Chat logs
- Event alarms
- Conferencing support
- Tabbed chat windows
What's new in this version:
It contains several bugfixes, the most important one being that nicknames aren't reset to the one associated with your Passport account when you connect anymore.
Unfortunately, Audio/Video support was also dropped, as explained in this previous post.