dpkg is the package manager that is used by Debian. It is actually the first (or one of the very first, I'm not completely sure) package managers for Linux, but it has evolved greatly since then.
Originally written in perl and later rewritten in C it is now a potent system that has made it possible to do in-place installation, upgrade and removal of packages.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!