xhtml2man is an XSLT script that converts properly formatted, semantically meaningful XHTML pages into man pages. The script's primary purpose is to make it easy to output man pages for things that have previously been documented in XHTML.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.