
Description: Twilio is a cloud communications platform that enables developers to programmatically make and receive phone calls, send and receive text messages, and perform other communication functions using its web service APIs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ringio is a cloud-based phone system designed for small businesses. It provides a virtual phone system that replaces landlines, with features like call routing, voicemail, call recording, and more. Ringio aims to be an affordable and easy-to-use alternative to more complex PBX systems.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API