Patternfly 3

Express.js is a simple Node.js framework for single, multi-page, and hybrid web applications.

Bootstrap is the most popular CSS Framework for developing responsive and mobile-first websites.

Grunt is a popular JavaScript task runner that automates repetitive tasks like minification, compilation, and testing, allowing developers to focus on writing code.

Stylelint is a modern linter for CSS that helps you avoid errors and enforce consistent styling conventions. It provides rules for detecting errors and warnings, and can be configured to match your specific project's requirements.