
Description: WinCHM is a free tool for creating CHM help files for software documentation and user manuals. It has an easy to use WYSIWYG editor for adding text, images, tables, links etc. Good for quickly building software help files.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Microsoft HTML Help is a Microsoft proprietary format for writing help content. It allows creating help files with HTML, providing features like full text search, index, table of contents. It integrates with Visual Studio and other Microsoft products.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API