Apps similar to CHMPane include Okular, which is free and open source. Other options are FBReader, Icecream Ebook Reader, CHM Decoder and Kchmviewer. You can choose from more than 10 Ebook Readers like CHMPane for Windows, Linux, Mac, Android and iPad.
Multi-platform document viewer supporting PDF, ePub, comics, images, and Markdown with annotation, digital signature verification, tabbed interface, sidebar navigation, text selection, text-to-speech, magnifier, search, dark mode, and plugin support.
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Reads EPUB, MOBI, FB2, and PDF files, manages digital libraries, tracks reading progress, allows notes, highlights, bookmarks, text translation, online search, night mode, full-screen, customizable layouts, text-to-speech, and displays ebook metadata.
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CHM Decoder may decompile your CHM file (Compiled Windows HTML Help) or e-book and extract all source files. This tool free for use and work easily and quickly. Want to convert CHM to HTML and view that in your PocketPC or in your web pages? CHM Decoder can help to you.
Ukraine
Kchmviewer is a free, open-source CHM (MS HTML help) and EPUB viewer written in C++ for Unix, Mac and Windows systems. Unlike most existing CHM viewers for Unix, it uses Trolltech Qt widget library, and could optionally be compiled for better KDE integration.
Russia
Gyan Reader is an eBook Reader that supports epub 3 format and is also backward compatible. It is an advanced epub3 rendering engine for Android platform.
Microsoft HTML Help is the standard help system for the Windows platform. Authors can use HTML Help to create online help for a software application or to create content for a multimedia title or Web site.
ChmFox is a Mozilla Firefox extension which brings the best CHM file reading experience to all platforms. CHM file could be viewed directly in Firefox using this extension under Windows, Mac and Linux.
Nomad Reader is small and fancy application designed for convenient epub and fb2 books reading. The program runs on Android 1.5-3.1, supports images, styles, internal and external fonts and many other features.
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