wordpress-static-site-exporter

One-click WordPress plugin that converts all posts, pages, taxonomies, metadata, and settings to Markdown and YAML which can be dropped into Jekyll (or Hugo or any other Markdown and YAML based site engine). Maintained by benbalter on GitHub, where it has earned 1,075 stars from the community.

It's actively developed around github-pages, jekyll, markdown, and is a solid reference for anyone building with these tools.