
Description: Mailspring is an open-source email client for personal use. It aims to provide an interface that is both intuitive and feature-rich for managing your email effectively.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API