
Description: xchm is an open-source CHM file viewer for Linux. It allows users to easily view Microsoft Compiled HTML (.chm) documents. Some key features include a table of contents pane, text searching, indexing, and the ability to print pages.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ChmFox is a free, open source CHM file viewer for Windows. It provides a simple interface for reading .CHM documentation files, with features like search, bookmarks, and table of contents navigation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API