
Description: Marple is a free, open-source Markdown slide deck presenter. It provides a minimalistic, distraction-free interface to focus on content creation. Marple enables creating presentations in Markdown format and presenting them in a clean slide interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: NVD3 is a JavaScript charting library for building interactive visualizations using D3.js. It provides pre-built chart components and is optimized for rapid data visualization.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API