
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: Spark Mail is a modern and user-friendly email client designed for productivity and collaboration. Developed by Readdle, Spark offers intelligent email management features, a unified inbox, smart notifications, and collaborative tools. It is available on multiple platforms, providing a seamless email experience for individuals and teams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API