Packages with the chm use flag

app-emulation / virtualbox-bin : Family of powerful x86 virtualization products for enterprise and home use

  • Install kchmviewer binary to enable online help (in MS CHM format)

app-misc / recoll : A personal full text search package

  • Enable CHM file support via dev-python/pychm

gnome-extra / gnome-commander : A graphical, full featured, twin-panel file manager

  • Enable metadata support for Microsoft Compiled HTML Help files

kde-apps / okular : Universal document viewer based on KDE Frameworks

  • Enable support for Microsoft Compiled HTML Help files