
Description: Athens is an open-source network graph visualization and collaboration tool. It allows users to create network diagrams and maps to organize information and ideas. The tool features real-time collaboration so teams can work together on diagrams.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Notesnook is a free online note taking application that allows users to easily create, organize, and share notes. Key features include rich text editing, tagging, search, and the ability to embed images, links, code snippets, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API