Viber is cross-platform application (iPhone, Android, Windows Phone, Blackberry, Windows, Mac, Symbian, Nokia and Bada devices), it allows users to send free messages and make free calls to other Viber users, on any device and network, anywhere in the world.
Viber's millions of users call, text, send photos and locations to any other Viber user, anywhere, from iPhone and Android phones. Viber's voice calls, delivered over 3G or Wi-Fi, offer better sound quality than carrier networks. Viber to Viber mobile calls are, and always will be, free.
Viber syncs contacts, messages and call history with mobile device, so you can start the conversation on the Viber mobile application and continue from the comfort of your PC. This time viber team released new version of viber application for Linux, it brings many improvements and bug fixes.