Windows Communication Messaging tools
A messaging client that unifies all your accounts
Very popular program used to communicate with friends
Chat and receive notifications with Google Voice
Start multiple sessions with yahoo! messenger
Synchronize your Outlook calendar with Google Calendar
Scripts for the mIRC client
A simple and secure instant messenger program
Call your contacts from your PC at no charge
Customize Windows Live Messenger 8.5 to your liking
Messaging client that unifies all your accounts
