
Description: Twobird is an email plugin that helps teams collaborate better. It allows you to discuss emails, manage tasks, take notes and more, right inside Gmail or Outlook. Twobird makes email more productive.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Airmail is an easy-to-use email client for Mac that focuses on speed, simplicity, and user experience. It has a clean interface, fast search, support for major email services like iCloud, Gmail, Outlook, and Yahoo Mail, and robust customization options.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API