Viber, which was originally called Viber - Free Phone Calls, is an application which is similar to Skype. With it, you can send text messages and make phone calls for free, so long as you have an Internet connection.
Download Viber Free for PC, Android, Windows Phone and Blackberry. Millions of smartphone users all over the world have already downloaded the Viber App. Youn can try it also and enjoy free video calls with yourn friends.