
Description: Claws Mail is an open-source email client and news client for Linux and other Unix-like operating systems. It supports features like SSL/TLS encryption, spam filtering, multi-account management, and custom themes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: si.Mail is an email client and personal information manager designed for simplicity and ease of use. It includes features like intuitive interface, email, contacts, calendar, notes, tasks, document storage, and more. si.Mail focuses on providing a straightforward email and personal productivity solution.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API