
Description: Greymatter is an open source content management system (CMS) written in PHP. It is designed to be lightweight, flexible and easy to use for managing websites and blogs. Greymatter is focused on simplicity and extensibility.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pillowfort is a free and open-source social media platform focused on art, fandom, and creativity. It has features for sharing images, text posts, chatting, discovering new content and creators, and building online communities.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API