
Description: MailShogun is an email marketing platform that allows users to create professional-looking email campaigns, manage contacts, track analytics, and automate emails. It has drag-and-drop email builders, A/B testing, and integrations with CRMs and landing pages.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Shelf is a free bookmark and read-it-later app that helps you save, organize and read web pages later. It has features like tags, notes, highlights and recommendations to help you easily find and remember useful content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API