
Description: Yappy is a free, open-source video conferencing software. It offers high-quality video calls, group video conferences, screen sharing, chat, call recording, and the ability to join via phone, web, or mobile app.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mightytext is a free app and web service that lets you text from your computer, tablet, or browser using your existing phone number and SMS plan. It syncs SMS messages across devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API