Once synced with your mobile phone, Viber combs your contacts to find other Viber users. Viber users register their accounts using a mobile phone number but the service is also available on desktops without needing a connection to the registered mobile. With over 1 billion users (mostly outside the U.S.), Viber is one of the key players on the market. Viber free video calls and messages is a VoIP software that allows smartphone users to make free voice and video calls and share free instant messages. In 20, Microsoft redesigned Skype to look more like a business chat solution Skype calling features were made less prominent in favor of chat features. Today, Skype’s headquarters are in Luxembourg, while its development team and almost half of all employees are still located in Estonia.

Ultimately, Microsoft bought Skype in May 2011 for $8.5 billion. Just four years later, in September 2009, a group of investors consisting of Silver Lake, Andreessen Horowitz, and the Canada Pension Plan Investment Board acquired 65% of Skype for $1.9 billion from eBay. Two years later, in September 2005, eBay acquired Skype for $2.6 billion from the Nords. Today, it features a centralized Azure service system for the communication platform.Ī Swede and a Dane, Niklas Zennström and Janus Friis, supported by a group of Estonian developers, released Skype in August 2003. Skype was founded back in 2003 and the original version of the app featured a peer-to-peer communication system. They are mostly known for their video call feature. Skype is one of the pioneers of the VoIP industry. Brosix: a business messaging alternative.Skype vs Viber: user experience and interface.

Viber web interface