SpectrumStarter, is a great , simple and responsive Starter WordPress Theme. It is built on the UIkit Framework and uses a very clean design to help you starting fast with theme development. It is a great starting theme for any developer out there with very clean and well commented code. If you want to use it as a plain blog, then feel free to do so! It utilizes a clean design and it is customizer ready. Also this WordPress starter theme, passes the Theme Check tests, so you can use it as a base , create a theme and upload it directly to the WordPress.org.