MEAN: MEAN is a full-stack JavaScript framework used for building dynamic web applications. It stands for MongoDB, Express.js, AngularJS (or Angular), and Node.js. Here's a brief overview of each component:
Drupal: Drupal is a free and open-source content management framework (CMF) written in PHP. It's used for building various types of websites and applications, from personal blogs to enterprise-level systems. Drupal provides a flexible and extensible platform for managing content, user authentication, and site administration.