aMSN is a free Windows Live Messenger clone. aMSN attempts to emulate the look and feel of Windows Live Messenger, and supports many of its features.
aMSN has features not present in Windows Live Messenger. Users can set alarms, are able to see others who have removed them from their contact list, and are able to open many profiles at once. It is also very customizable, with extensions and themes available at the main site. aMSN also allows functions not available in Microsoft Messenger for Mac (the Macintosh counterpart of Windows Live Messenger), such as webcam support, and the nudges feature.
aMSN is available for any system that supports Tcl/Tk 8.4 or higher. This includes Microsoft Windows, Macintosh and any UNIX variant including Linux.