
Description: Stack Browser is a web browser designed for browsing stack overflow and other stack exchange sites. It has built-in features like tagging, voting, and syntax highlighting to improve the stack overflow experience.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ferdium is an open-source messaging app that combines chat and messaging services like WhatsApp, Facebook Messenger, Telegram, Google Hangouts, and more into one application. It aims to provide an unified inbox for all your chats and accounts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API