Add-ons

DownThemAll! by Nils Maier, Federico Parodi, others

The first and only download manager/accelerator built inside Firefox!

Collector's Note Mass download tool. Download many files at once from a web page. You can also set it up to download one file in multiple chunks which generally speeds up the download. This is particularly handy for downloading very large files. In particular, I like it for downloading Linux distribution disk images.

Saved Password Editor by Daniel Dawson

Adds the ability to create and edit entries in the password manager.

Element Hiding Helper for Adblock Plus by Felix Dahlke

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Speed Dial by Josep del Rio

Direct access to your most visited websites

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

CustomizeGoogle by CustomizeGoogle

CustomizeGoogle enhances Google by adding information and removing unwanted information.

Collector's Note If you're a heavy user of "The Google" this addon is for you.

Tab Counter by Michael Kraft

A simple extension that counts the number of open tabs per window and displays the count in the toolbar...

Clip to OneNote by Jayarathina Madharasan

Clip to OneNote is a free add-on which helps you to send text, pictures and other data to Microsoft Office OneNote with a single click.

MR Tech Toolkit by mrtech

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Collector's Note Lots of great tweaks in this "toolkit".