GNU Source-highlight produces a document with syntax highlighting when given a source file. It handles many languages, e.g., Java, C/C++, Prolog, Perl, PHP3, Python, Flex, HTML, and other formats, e.g., ChangeLog and log files, as source languages and HTML, XHTML, DocBook, ANSI color escapes, LaTeX, and Texinfo as output formats. Input and output formats can be specified with a regular expression-oriented syntax.
Cxref is a program that will produce documentation (in LaTeX, HTML, RTF or SGML) including cross-references from C program source code. It works for ANSI C, including most gcc extensions. The documentation for the program is produced from comments in the code that are appropriately formatted. The cross referencing comes from the code itself and requires no extra work.
tex-upmethodology provides a complete set of LaTeX styles that permit you to write documents according to a UP-based methodology. Its major features are document history, task management, design and specification documentation, and helping tools. tex-upmethodology is officially supported by CTAN.
PhpWiki is a WikiWikiWeb clone written in PHP. A Wiki is a Web site where anyone can edit or create the pages through the Web browser, with no authentication. PhpWiki works right out of the box with zero configuration, and comes with a set of default pages. It's useful for collaborating on documentation on a project, having freeform discussions, and easy editing and searching.
This is the official documentation for the Python programming language. It includes a tutorial and reference material on the language and the libraries, extending the interpreter with C, and producing and installing additional Python packages. The documents are available online and in downloadable packages; formats include HTML, PostScript, and PDF.