Skype

Skype screenshots

Chat and make audio/video calls with your friends
Skype 6.1 : Options Window

Alternative downloads

WhatsApp
2.2119.6
FREE
Send and receive WhatsApp messages, photos, and files on your desktop.
ZamTalk Messenger
11.2
Communicate with friends through text, voice, and video chat and presentations.
Output Messenger
1.9.50
Chats with customers/website visitors in real time and provides instant support.