
Description: Butterfly Server .NET is an open-source .NET server software designed for building real-time web applications. It provides APIs and components for enabling features like bidirectional communication, push notifications, and messaging in web apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PubNub is a global data stream network that allows developers to build realtime web and mobile apps. It offers APIs and SDKs to send, receive, and store data streams between apps, users, and devices with low latency and high scalability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API