HN Tab is a free Chrome extension developed by Christopher Ling Carragher. It falls under the category of Browsers and the subcategory of Add-ons & Tools. This extension aims to enhance the tab navigation experience on Hacker News.

With HN Tab, users can navigate between links on Hacker News more easily. The extension adds a tabindex and target blank attribute to the links, making it more convenient for users who prefer to use a keyboard for navigation. This feature allows users to quickly jump from one link to another without having to rely on the mouse.

By improving accessibility, HN Tab provides a smoother browsing experience for Hacker News users. With its simple yet effective functionality, this extension is a useful tool for those who frequently visit Hacker News and prefer keyboard navigation.

Please note that for any feedback or suggestions, it is recommended to contact the developer directly.