Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.

Nimbuzz is a proprietary cross-platform instant messaging aggregator for smartphones, tablets and personal computers developed by Nimbuzz B.V. Nimbuzz has 150…

ooVoo is a video chat and an instant messaging client.

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …

Viber Free Messenger and Phone Calls.

LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.

KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.

Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.