
Description: Gusto Email is an email marketing software designed for small businesses. It allows users to easily create email campaigns, build email lists, track analytics, and manage contacts. Key features include drag-and-drop email builders, A/B testing, automation workflows, and integrations with CRMs and other tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MailMate is an email client for macOS that focuses on power users and advanced email workflow management. It has robust organization and filtering tools, keyboard-driven navigation, extensive automation and AppleScript support.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API