
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: ExtraCHM is a free CHM file reader for Windows. It can open and read Compiled HTML (.chm) files and allows easy navigation and search within those files. ExtraCHM is lightweight, fast, and supports features like bookmarks and printing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API