Lou's List Chrome Add-on is a free browser extension developed by ferristseng. It adds additional functionality and features to Lou's List, making it more convenient and user-friendly.

With this add-on, users can save classes to a list for future reference. This is particularly useful for students who want to keep track of their desired classes or plan their schedules. Additionally, users can click on classes to see conflicts with other selected classes, helping them to avoid scheduling conflicts and make informed decisions.

Another useful feature of this add-on is the ability to hover the mouse over a class on the sidebar to see additional information. This provides users with quick access to important details about the class without having to navigate to a separate page.

Overall, Lou's List Chrome Add-on is a valuable tool for students using Lou's List. It enhances the functionality of the platform and helps users better manage their class selections and schedules.