
Description: Plottr is a free, open source data visualization and graphing software. It allows users to easily create a variety of 2D and 3D plots from data, including line, scatter, bar, pie, and surface plots. Key features include data import from CSV files, customizable axes and legend, exporting images and PDFs, and support for large datasets.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: yWriter is a free word processor and story development tool for novelists. It allows you to break down your story into chapters and scenes, track characters, locations, items, view storyboards and more to help organize and write your novel.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API