Webcpp converts source code to syntax highlighted HTML, and supports multiple 
languages and also colour schemes.
Features:
 - Specific support for over 30 programming, scripting, and shading languages
 - An 11-element syntax highlighting engine
 - Dynamic colour schemes using embedded Stylesheets, or external Stylesheets
 - Batch conversions
 - Automatic filetype detection for higlighting
 - Filetype forcing for syntax highlighting
 - Automatic #include file hyperlinking and file generation
 - Piping the input or output to or from STDIN/STDOUT to collaborate with 
other programs
 - The ability of allowing custom HTML tags to be added
 - Generic support for unknown text based files
 - Available on various operating systems

WWW: http://webcpp.sourceforge.net/