
Description: P3X OneNote is a free, open-source alternative to Microsoft OneNote. It allows users to create digital notebooks to take notes, save web clippings, draw, and organize text and multimedia content. P3X OneNote runs on Windows, Mac and Linux.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zettlr is a markdown editor for students, academics and novelists. It features a distraction-free writing mode, auto-save, syntax highlighting for various markup languages, and support for citations and bibliographies.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API