
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: ooVoo is a free video chat and instant messaging software. It allows users to make video calls, voice calls, and send texts and photos to other ooVoo users. Key features include group video chat for up to 12 people and the ability to watch YouTube videos with friends at the same time.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API