Plucker supports many features, including clickable images (pan and zoom), italic, narrow, and HiRes fonts, multiple concurrent databases, configurable display parameters and stylus options (gestures and hardware button navigation) ZLib and DOC compression, Perl and Python conduits and parsers, a Windows fully-integrated installer, and a whole lot more!
Plucker is Free Software (licensed under the GPL) and that means that you can use it without charge, you can give it away to others, and that you can even modify the program (or pay others to do it for you) to customize it or add the features you want.
The Plucker homepage is plkr.org (http://www.plkr.org/).
wikipedia.org dumped 2003-03-17 with terodump