
Description: CallRail is a call tracking and analytics platform that helps businesses track phone calls, understand what happens on calls, and attribute calls to campaigns and sources. It provides insights into caller behavior, call quality, and ROI.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Slingshot VoIP is a cloud-based business phone system designed for small to midsize companies. It provides a centralized platform to manage calls, voicemails, contacts, and more through an intuitive web interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API