Emesene - MSN Portable
Emesene is a free MSN portable client, essentially an MSN Messenger clone, that can be stored and run directly from a USB device. It provides many of the same features as MSN Messenger, making it a lightweight and portable instant messaging solution. It supports tabbed chats, custom emoticons, file transfers, offline messaging, personal messages, nudges, chat logging, plugins, and a multilingual interface.