
Description: BlueMail is a free email app for Android and iOS that provides a clean, ad-free interface focused on fast email management across multiple accounts. It has features like unified inbox, snooze, send later, reminders, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: K-9 Mail is an open source email client for Android focused on security and privacy. It supports multiple accounts, search, tagging, notifications and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API