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

Description: Stack is a task manager app for Mac that organizes files, notes, links, and to-do lists in one unified workspace to help you stay focused on your projects. It uses tags to organize content and provide quick search and access.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API