Showcase is described as 'provides a new way to manage your Firefox tabs and windows by showing them as thumbnails in a single window, tab or sidebar' and is an app in the Web Browsers category. There are four alternatives to Showcase for a variety of platforms, including Firefox, Windows, Google Chrome, Mac and Online / Web-based. The best alternative is FVD Speed Dial, which is free. Other great apps like Showcase are FF Speed Dial - New Tab for Firefox (Free), My Hello Life (Free) and All Tabs Helper (Free, Open Source).
The main idea of Firefox Speed Dial extension is to provide a look and feel of a native Firefox New tab experience with a bucket of a cool extra features, like New tab dark theme, tile customization, etc.
A website intended to be set as the home on what the users browser, so that when the user opens a new tab or window, they will see up to 20 of their favorite sites. These customizable slots are displayed in a 5x4 grid, ready to be set by the user.
Enhances FF All Tabs menu to perform actions such as closing, loading, unloading, moving single/multiple tabs. Search tab titles or *content* (Find in All Tabs), visited tabs history, find duplicate tabs, all right from All Tabs menu. More...