The Hackernews Sidebar is a free Chrome extension developed by rimplesimpledimple. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. This extension allows users to browse and interact with HackerNews posts conveniently in a sidebar, eliminating the need for tab-switching.

With the Hackernews Sidebar, users can easily explore comments and engage in discussions without the hassle of constantly switching tabs. This extension provides a seamless browsing experience by displaying posts and discussions side-by-side in a single tab.

By integrating the sidebar functionality, users can stay focused on the content they are reading while simultaneously accessing related discussions. This feature enhances user productivity and streamlines the browsing experience for HackerNews enthusiasts.

Overall, the Hackernews Sidebar is a useful Chrome extension for those who frequent HackerNews. It simplifies the browsing process and enables users to engage with posts and discussions more efficiently.