Top rated in Instant Messaging & VoIP
Whatsapple - Whatsapp for PC
It is an unofficial client of Whatsapp built on the base of Pidgin Messenger.
Softros LAN Messenger
LAN messaging, chatting, and file sharing among users of a local area network.
AT&T Connect Participant
It is an essential interface to host and participate in an AT&T web conference.
Allows you to run multiple Skype instances on one computer simultaneously.