zola (né Gutenberg)

A fast static site generator in a single binary with everything built in. Forget dependencies. Everything you need in one binary. Zola comes as a single executable with Sass compilation, syntax highlighting, table of contents and many other features that traditionally require setting up a dev environment or adding some JavaScript libraries to your site. The average site will be generated in less than a second, including Sass compilation and syntax highlighting. Zola renders your whole site as static files, making it trivial to handle any kind of traffic you will throw at it at no cost without having to worry about managing a server or a database. From the CLI to the template engine, everything is designed to be intuitive. Don't take my word for it though, look at the documentation and see for yourself.