
Description: Overlay2 is a storage driver for Docker that leverages the layering filesystem of UnionFS to enable image layers and containers to share files efficiently. It improves upon the older Overlay driver with enhanced performance and stability.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PureRef is a free, lightweight application for Windows that helps artists and designers quickly view visual references without cluttering their workspace. It's useful for keeping photos, drawings, webpages, etc. easily accessible while working on graphics, illustrations, presentations, documents, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API