Best Longer Mozilla Addons Alternatives

Keep a (longer) session with one Web Application that has an inactivity timeout...

resize small textareas

(NumExt is NO LONGER MAINTAINED since April 2010)

NumExt numbers your tabs with no limitation on how many tabs you can open.

For more info in the Description... or visit
http://alouche.github.io/numext/

This add-on has been discontinued and no longer has any functionality.

This tool is no longer being supported or developed, not recommended.

(NO LONGER MAINTAINED)This toolbar add-on allows you to search LDS church content easily, as well as having multiple useful bookmarks to the media and scriptures on the www.lds.org website and other Mormon websites.

AUSkey will no longer be supported by Firefox in March 2017. To continue using your AUSkey in Firefox you need to download this browser extension.

Change the prefixes and suffixes which are used to complete a URL.

Simulate the use of a series of proxy changing at each new connection.

NoSquint is no longer maintained. :(

This add-on is no longer maintained. Please look for an alternative.

Add-on to add inline Instagram images to Twitter.

Minimizes windows into the system tray.

This addon allows you to run in a terminal a command in a web page by selecting text by right clicking.

View a page in IE on Windows.

Downloads all fragments of an Amazon's zoomable product image and puts these fragments together into a single high resolution image.

Have a lot of bookmarks? Save space by reducing them to favicons.

Allows Firefox to reload multiple images that failed to be displayed.