
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: Polymail is an email client app focused on privacy and security. It offers end-to-end encryption, screen blurring, read receipts control, and other features to protect user data and communications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API