Emesene

emesene is an open source instant messaging client designed for use with Microsoft's .NET Messenger Service. It is a clone of Windows Live Messenger. emesene is the Spanish (also Portuguese and French) pronunciation of MSN, former name of Windows Live Messenger. It is also supports external messaging services like Jabber, Facebook and Google Talk.

Its goal is to replicate the functions of the official Windows Live client in a simpler, cleaner and easier to use interface.

emesene is licensed under the GNU General Public License, and is developed by Luis Mariano Guerra along with other contributors.