
Description: Firefox Relay is a free service from Mozilla that provides users with alias email addresses to protect their privacy and reduce spam. Users can generate unlimited email aliases that forward messages to their real inbox.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailsac is a free, disposable email service that allows you to create anonymous, temporary email addresses for testing or other purposes. It has a simple interface and useful features like email forwarding and tracking of emails received.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API