Yahoo messenger is an instant messaging software developed by Yahoo! inc. for real-time communication of its users. provides text chat, file transfer up to 2GB. conversations with audio and video, games. It also supports International Calling, Phone in Number, sending free SMS like Skype.
Yahoo messenger is available:
on Windows ( http://messenger.yahoo.com/platform/win/ ) and Mac ( http://messenger.yahoo.com/platform/mac/ ), on Web ( http://webmessenger.yahoo.com/ ), on Mobile ( m.yahoo.com/messenger ), on Android Market, on Blackberry App World and on iPhone App Store.
