
Description: KeepCalling is a VoIP phone service provider that offers unlimited calling to the US, Canada, Mexico, China, India and other countries. It provides virtual phone numbers and works on desktop and mobile devices.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CloudTalk.io is a real-time communication platform for business. It provides features like chat, voice/video calling, screen sharing, and task management to improve team collaboration and productivity.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API