Viber Media S.à r.l. - (Free)
Viber is a powerful and great alternative to Skype and Whatsapp when you want to make calls from your phone or computer for free.
Viber is one of the most popular VoIP (Voice over Internet Protocol) and multi-plarform instant messaging application for computers and mobile phones that allows you to make free audio and video calls, exchange multimedia and text messages. Using a simple and intuitive interface, you can chat with your friends and family very fluid, being able to transfer a call from your desktop to your smartphone without interrupting the conversation, send them images, smileys or stickers to enjoy it more. As a real competitor for Whatsapp and Skype, making the difference by offering the possibility to communicate with all your mobile phone contacts that are using this service, not just your Skype contacts. You can also call other none VoIP users (landlines and mobile phones directly) by using the Viber Out feature which is not free, but offers very competitive rates and great quality when you have a good internet connection.