
Description: Evolution is an open-source email client for Linux designed to be simple, fast, and secure. It supports standard email protocols like IMAP, POP3, and SMTP and includes features like spam filtering, email signatures, calendar integration, and customizable themes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Polymail is an email client app focused on privacy and security. It offers end-to-end encryption, screen blurring, read receipts control, and other features to protect user data and communications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API