
Description: StoneNotes is a free, open-source note taking and knowledge management application. It allows users to create rich text notes, organize them into notebooks and categories, add tags, attachments, embeds, and more. StoneNotes syncs notes across devices and has strong search and export capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TreeSheets is a free form data organizer that allows you to structure and analyze information in a flexible tree-like format. It can be used for notes, diagrams, project planning, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API