Undo Close Tab Alternatives
Undo Close Tab is described as 'This addon provides a button to restore the last closed tab. A list of last closed tabs is available in the button context menu. This way you can pick an individual tab in history to restore it' and is an app in the web browsers category. There are six alternatives to Undo Close Tab for a variety of platforms, including Windows, Firefox, Mac, Linux and Pale Moon. The best alternative is Tab Mix Plus, which is both free and Open Source. Other great apps like Undo Close Tab are Tab Utilities, Close Tab Button (Firefox Quantum add-on), UndoClose and Undo Closed Tabs Button.
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager with crash recovery that can...
Features
Open Bookmarks/History/Homepage/URL/Search in new tabs, and more utilities for tabbed browsing, including open tab next, focus related/last visited tab, protect/lock/faviconize/pin tab, multiple tab handler, tab clicking options, etc.
DiscontinuedThe extension is no longer developed since 2014 and doesn't work on Firefox 57. The extension still works on XUL-based Firefox forks like
Waterfox and 
Pale Moon
Toolbar button to close the current tab. Works on the newest version of Firefox.
Features
UndoClose is a free program that remembers all recently closed folders and applications, so that you can restore them in the same sequence in which they were closed using two hotkeys. In short, it enables you to open the last closed folder(s) and application(s) just like the way...
Features
Tired of going to History -> Recently Closed Tabs just to undo a closed tab? Then this extension is for you! This extension allows you to undo closed tabs via a toolbar button and/or tab bar button. Click the image one time to undo the last closed tab...
Adds toolbar buttons for quick access to undo the closing of tabs.
