iChecker: See Your Yahoo Messenger Buddys Status

This is pretty simple tool but very useful. iChecker application was designed to inform you if one of your Yahoo Messenger buddies is online, even if he or she may appear offline.

What's New in this release:

1. Brand new design
2. Online, offline and invisible checker
3. Avatar display
4. Few Handy options : send message, view profile ... (needs YM installed on the host machine)
   

You can download this software here and it's free.