Windows Live Messenger
Windows Live Messenger (formerly MSN Messenger) is a discontinued instant messaging client developed by Microsoft for Windows, Xbox 360, BlackBerry OS, iOS, Java ME, S60 on Symbian OS 9.x, and Zune HD.  It connected to the Microsoft Messenger service while also having compatibility with Yahoo! Read more
Users Can't Stand the Fresh Yahoo Messenger Desktop App
User feedback on Yahoo's fresh Messenger desktop app is not the response Yahoo hoped for when it determined to bring back its Messenger service on the desktop.
Back at the commence of June, Yahoo announced it determined to pull the buttplug on its classic Yahoo Messenger app, which it hadn't updated for a few years anyway. Read more