
Description: FaceTime is a video calling app developed by Apple. It allows users to make video calls between Apple devices like iPhones, iPads and Macs over WiFi or cellular networks.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Callcentric is a voice over IP (VoIP) phone service provider that offers unlimited calling plans and the ability to use your existing phones. It allows you to get a phone number in the area code of your choice and make inexpensive domestic and international calls over the internet.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API