
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: deepstream.io is an open-source realtime data store that provides fast data synchronization and messaging between browser clients, mobile apps, and backends. It allows building realtime apps without needing to manage infrastructure or write complex networking code.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API