Firefox Showcase is a Firefox add-on that enables you to navigate open tabs as thumbnail views of the actual website. It can run as a sidebar or in a special Showcase tab. You can configure it in various ways, view zoomed versions of the thumbnails on mouseover, close or activate a tab by clicking on the thumbnail and quickly switch between web pages. The program offers flexible configuration options that allow you to customize everything from thumbnail size, mouseover actions and info display to thumbnail labels and mouse actions. Note: After installing, you need to add the Showcase buttons to the Firefox toolbar.

The license of this software is Freeware, you can free download and free use this browser tool software.