
Description: Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TeamSpeak is a proprietary voice over IP (VoIP) software that allows users to communicate via voice chat over the internet. It has features like channel management, private messaging, file transfers, and customization options. TeamSpeak is commonly used by gamers to coordinate with teammates while playing multiplayer games.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API