lpw – A literate programming environment for Macs
The environment offers a WYSIWYG word processor based on style sheets, and a project management system (among other things).
Shareware: A fee is required
Maybe you are interested in the following packages as well.
- cwebbin: CWEB for ANSI-C/C++ compilers on UNIX/Linux, MS/Windows, and Amiga
- funnelweb: A flexible, language-independent web system
- cnoweb: Simple "quality" printing of C sources
- protex: Literate programming package