
Description: Roundcube is an open-source webmail client written in PHP. It is designed to work with IMAP and SMTP servers to provide a full-featured web-based email client. It has support for features like rich text messages, spell check, tagging, filters, keyboard shortcuts and skins.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Cypht is an open source webmail client that focuses on security and privacy. It has built-in PGP encryption, enables accessing emails through TOR, and aims to protect user data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API