
Description: Mailnag is an open source email notification daemon for Linux. It checks POP3 and IMAP accounts for new mail and displays a notification message for each new mail received.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: nPOPuk is an open-source desktop email client for Windows. It supports POP3 and IMAP accounts, has basic email features like contacts, calendar, and tasks, and emphasizes privacy and security.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API