
Description: SMSAPI is a cloud-based SMS messaging platform that allows users to send and receive text messages from any device or application. It provides APIs and integrations that make it easy to add SMS capabilities to software.
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