The main competitor of Skype messenger clients Viber released for Mac and Windows. Recall that before the program was only available on mobile platforms - iOS, Android, Windows Phone, bada, Series 40, Symbian and BlackBerry. Viber, like Skype, can call each other, send text messages, photos and videos.
Initially the messenger appeared on the iPhone at the end of 2010, in May 2011, the released version of Android, and a year later - for Windows Phone and BlackBerry. The program is available in 27 languages. In the "desktop" client Viber is authorization by a mobile phone that allows you to synchronize your PC and your smartphone.