Metalsmith - An extremely simple, pluggable static site generator.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Nikola - Nikola is s static site generator tool written in Python.
WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
GatsbyJS - Blazing-fast static site generator for React
ProcessWire - ProcessWire is a PHP5-based open source CMS/CMF built to save you time and make development fun at any scale. It works the way you do.