
Description: Zimbra Desktop is an open source email and calendar client that connects to Zimbra Collaboration servers. It provides access to email, contacts, calendar, tasks, and notes across multiple accounts in one interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mail Pilot is an email client app for Mac that aims to help users organize their inboxes more efficiently. It has features like customizable swipe gestures, smart filtering tools, send later option, and read receipts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API