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Kchmviewer

A cross-platform CHM file viewer

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Kchmviewer is a free, open-source viewer for CHM (Compiled HTML Help) files. It runs on Linux, Windows, and macOS. The site includes a features list, download links, FAQ, bug reporting, screenshots, and an integration reference for developers.

12 alternatives to Kchmviewer

Ranked by how well each tool replaces Kchmviewer: shared features, audience, price and popularity.

  1. Okular

    The Universal Document Viewer

    Covers 1 of 10 key features.

    Free planOpen source
    55 out of 100 matchFree

  2. Sumatra PDF

    A PDF, eBook, and comic reader for Windows.

    Covers 3 of 10 key features.

    Free planOpen source
    53 out of 100 matchContact sales

  3. HelpNDoc

    Help authoring tool for help files, manuals and eBooks from a single source

    Covers 1 of 10 key features.

    Free plan
    53 out of 100 matchContact sales

  4. KOReader

    Document viewer for E Ink devices

    Covers 0 of 10 key features.

    Free planOpen source
    53 out of 100 matchFree

  5. calibre

    E-book management

    Covers 1 of 10 key features.

    Free planOpen source
    51 out of 100 matchFree

  6. MediaWiki

    A collaboration and documentation platform maintained by a community.

    Covers 1 of 10 key features.

    Free planOpen source
    51 out of 100 matchFree

  7. Zotero

    Your personal research assistant

    Covers 2 of 10 key features.

    Free planOpen source
    50 out of 100 matchContact sales

  8. TiddlyWiki

    A non-linear personal web notebook.

    Covers 3 of 10 key features.

    Free planOpen source
    50 out of 100 matchFree

  9. Diigo

    Better reading and research with annotation, highlighter, sticky notes, archiving, and...

    Covers 2 of 10 key features.

    Free plan
    49 out of 100 matchFree

  10. Tagstoo

    Free utility to tag files and folders, because tagging must be fun.

    Covers 3 of 10 key features.

    Free planOpen source
    49 out of 100 matchContact sales

  11. PDF Chain

    Graphical desktop interface for the PDFtk command-line tool on Unix-like systems.

    Covers 1 of 10 key features.

    Free planOpen source
    49 out of 100 matchFree

  12. Softany Software

    Help authoring and document conversion tools

    Covers 0 of 10 key features.

    48 out of 100 match—