
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: Firebase is a backend-as-a-service (BaaS) platform that provides developers with a variety of tools and services to help them develop high-quality apps. It handles backend functionality like database storage, authentication, hosting and more so developers can focus on building user-facing features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API