GitHub repository: mimshwright/assemble
Primary language: JavaScript
Description: Static site generator for Node.js, Grunt.js, and Yeoman and Gulp. Render templates with Handlebars, Lo-Dash or any template engine. Used by Zurb Foundation, Zurb Ink, Less.js / lesscss.org, Topcoat, Web Experience Toolkit, and hundreds of other projects to build sites, themes, components, documentation, blogs and gh-pages.