From Yuna Software:
Messenger Plus is an add-on for Windows Live Messenger which adds lots of features and extras that make your instant messenger easier, more useful or just tons more entertaining. You can make your instant messaging chats more lively by adding emoticons, winks or sounds, open more than one account at once or access your chat logs locally or online, to name a few features. The software provides additional functionality to Microsoft's Instant messaging client Windows Live Messenger by adding its own controls to the main interface. You can change the behavior and appearance of your Messenger through additional dialog boxes.
What's new in this version:
Version 188.8.131.523 supports WLM 2012.