Viber

Viber, or Rakuten Viber, is a cross-platform voice over IP and instant messaging software application owned by Japanese multinational company Rakuten, provided as freeware for the Google Android, iOS,... Wikipedia

• Original author(s):  Talmon Marco, Igor Magazinnik
• Developer(s):  Rakuten Viber (part of Rakuten Inc.)
• Initial release:  2010
• Written in:  C/C++/Python (desktop, using SIP and Qt frameworks), Objective-C (iOS), Java (Android)
• Operating system:  Cross-platform
• Type:  Instant messaging client, VoIP
• License:  Proprietary software
• Website:  viber.com
• Data source:  DuckDuckGo