
Description: CHM Editor is a free, open-source HTML help file editor for Windows. It allows creating and editing CHM help files with features like table of contents, index, search, compiling CHM files, spell checking, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Innovasys HelpStudio is a help authoring tool used to create online help, documentation, eLearning content, and more. It allows non-technical users to quickly create professional, visually appealing help content with an intuitive user interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API