Harp is a static web server with built-in preprocessing. Harp can compile your project down to static assets, HTML, CSS and JavaScript, with no configuration necessary. You may also use Harp as a Node library for compiling or running as a server.
Harp includes the common, useful preprocessors by default. It serves Jade (Pug), Markdown, EJS, CoffeeScript, LESS, Sass and Stylus.