LESS is a powerful CSS pre-processor that allows developers to make CSS more efficient, maintainable, and powerful. Coursera's LESS catalogue teaches you the ins and outs of this dynamic style sheet language, which extends CSS with dynamic behavior such as variables, mixins, operations, and functions. You'll learn how to leverage the features of LESS to write cleaner, more reusable CSS code, how to create and manage stylesheets effectively, and how to incorporate LESS into your web development workflow. By the end of your study, you will be able to integrate LESS into your projects to enhance productivity and maintainability, contributing to a more streamlined and efficient development process.