FaceTime for Mac makes it easy to talk, smile and laugh with friends and family on their iPhone 4, iPad 2, iPod touch or Mac.
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
This is a messenger app based on the MTProto protocol.
Professional chat application for Mac.
The ippi Messenger software allows you to call with your ippi account
