
Description: Aculab Cloud is a cloud-based communications platform that enables developers to add voice, SMS, and phone capabilities into web, mobile, and business applications without needing to build and maintain telephony infrastructure. It provides APIs and SDKs for calling, messaging, numbers, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The Google+ Hangouts API allows developers to enable real-time communication features in their apps. It supports video calling, screen sharing, and other collaboration tools. The API makes it easy to build messaging, meeting, and conferencing functionality.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API