
Description: Hydrogen is an open-source plugin for adding rich interactive computing capabilities to text editors and IDEs. It allows users to run code interactively in over 50 programming languages with outputs displayed inline.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GNU Octave is an open-source mathematical programming language that is compatible with MATLAB. It can perform numerical computations, data visualization, and other math tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API