"documentation generator that uses a simple folder structure and Markdown files to create custom documentation on the fly.", also at http://daux.io/
See also https://github.com/PhileCMS/Phile
A directory of open-source static website generators
"static site generator that's geared towards building project documentation. Documentation source files are written in Markdown, and configured with a single YAML configuration file."
"An open source database-less blogging platform or flat-file blog [that] prioritizes simplicity and speed, written in PHP." (2016-12-03)
See also http://getpelican.com
tiny static blog generator
A Bash script that handles blog posting.
Simple blog compiler, written in Perl with minimal dependencies
Static-site-generator, written in perl with per-page variables and layouts.
A static website generator written in awk and sh
Fork of http://www.acme.com/software/thttpd/
Update 2016-05-23: Last commit 2014, phrozn.info site is gone for good.