Hexo is a static site generator built with Node.js that enables developers to create fast and efficient websites using Markdown, EJS, and Stylus. It offers features such as server-side rendering, plugin support, and easy deployment to hosting services like GitHub Pages and Netlify.

SCSS is a preprocessor scripting language that extends the capabilities of CSS by adding features such as variables, nesting, and mixins. It allows developers to write more efficient and maintainable CSS code, and helps to streamline the development process by reducing repetition and increasing reusability.

Blog websites feature posts written by one or more authors, organized by categories and tags, with a section for comments and archives sorted by date or topic. Additional features may include search bar, social media sharing, subscription or RSS feed, about and contact pages, and visual content.

Pug is a high-performance template engine for Node.js and browsers that enables developers to write HTML templates using a concise and intuitive syntax. It supports a range of features, including template inheritance, conditionals, loops, mixins, and more, and can be easily integrated into a variety of web frameworks and build tools.