
Description: Skype is a popular communication software that allows free voice and video calls, instant messaging, and file sharing over the internet between users. It works on computers, mobile devices, and smartphones.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Google Voice and Video Chat is a free video calling and voice calling app from Google. It allows users to make audio and video calls to other Google Voice and Video Chat users for free, as well as make low-cost calls to landlines and mobile phones.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API