
Description: Feedbutler is a free RSS reader and feed aggregator for Windows, Mac and Linux. It allows you to subscribe to RSS feeds, organize them into custom folders, and read feeds in a clean, ad-free interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailbrew is an open-source email client for Linux, Windows and macOS aimed at power users. It is designed to be fast, extensible and secure.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API