kidd has packaged xchm, a viewer for Microsoft ITSS/CHM format files, and chmlib, the library backend (a dependency).
Package Size: 202K
Installed Size: 790K
xchm: xchm (xCHM is a cross-platform GUI front-end to chmlib(CHM file viewer).)
xchm: xCHM can show the content tree if one is available, print pages,
xchm: change font face and size, remember bookmarks, display a searchable
xchm: index, and search for words in the current page and the whole book.
xchm: License: GNU GENERAL PUBLIC LICENSE version 2
xchm: Authors: Razvan Cojocaru <firstname.lastname@example.org>
xchm: Website: http://xchm.sourceforge.net/index.html
Package Size: 32K
Installed Size: 110K
chmlib: chmlib (Library for dealing with Microsoft ITSS/CHM format files.)
chmlib:Right now, it is a very simple library, but sufficient for dealing
chmlib:with all of the .chm files I've come across. Due to the fairly
chmlib:well-designed indexing built into this particular file format, even
chmlib:a small library is able to gain reasonably good performance
chmlib:indexing into ITSS archives.
chmlib: License: GNU LESSER GENERAL PUBLIC LICENSE version 2.1
chmlib: Authors: Jed Wing
chmlib: Website: http://www.jedrea.com/chmlib/
After testing these packages please stop back here and let us know how they work for you.