BB Ex is a free Chrome add-on developed by csbubbles. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. BB Ex aims to enhance the user experience on BitBucket by providing features to fix layout issues.

With BB Ex, users can easily show or hide columns on BitBucket's "Issues" page, allowing for a more streamlined view of the information. Additionally, the add-on enables users to change the number of spaces for the indent size in the code view, offering greater customization and readability.

Overall, BB Ex provides valuable solutions for layout fixes on BitBucket. It is a useful tool for users who frequently utilize BitBucket for project management and code collaboration.