
Description: RobinApp is an open-source chat SDK that allows developers to easily add chat and messaging features into their apps and websites. It handles all the complexities of building chat infrastructure and provides a simple API to build on.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pusher is a hosted API that allows you to add realtime functionality to web and mobile applications. It makes it easy to build features like notifications, messaging, live updates, collaborations tools, and more. Pusher handles all the complex functionality like scaling, security, and reliability behind an easy-to-use API.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API