
Description: MailFred is an open-source, self-hosted email server software designed for increased privacy and security. It allows you to run your own private email server to send and receive emails without relying on third-party providers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LetterMeLater.com is an email scheduling service that allows users to compose emails now and have them delivered at a specific date and time in the future. It helps with planning communications in advance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API