List of useful addons for FireFox (with links) Part 2

List of useful addons for FireFox (with links) Part 1

Note: These addons have been added on Firefox version 3.6.10

+ScribeFire Blog Editor

        Description: Edit and post your blog from inside firefox with this plugin.
                              Note: ScribeFire Next is a bit buggy i.e. publish button disappears too fast to click.

        Download: Add to Firefox

+ DownThemAll

Description:
The first and only download manager/accelerator built inside Firefox!
Download: Add to Firefox

+ Easy YouTube Video Downloader

Description:
Easiest Youtube video downloader ever, single click non-intrusive direct download buttons for FLV, 3GP, MP3, MP4, 720p HD and 1080p Full-HD qualities.
Download: Add to Firefox

+ NetVideoHunter Video Downloader

Description:
Download videos and music from video sites like Youtube.
Download: Add to Firefox

+ ImgLikeOpera

Description:
ImgLikeOpera allows load only the images that you want in Firefox browser. This extension is very useful for non broadband users...
Download: Add to Firefox

Not available for Firefox 3.6.

+ SessionManager

Description:
Session Manager saves and restores the state of all windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
Download: Add to Firefox

+ SpeedDial

Description:
Direct access to your most visited websites
Download: Add to Firefox

+ WOT - Safe Browsing Tool

Description:
Would you like to know which websites you can trust? The WOT add-on is a safe surfing tool for your browser. Traffic-light rating symbols show which websites you can trust when you search, shop and surf on the Web.
Download: Add to Firefox

[BOOKMARKS]
+ TagSieve (Note: This has NOT been reviewed by Mozilla)

Description:
This is a continuation of the excellent but abandoned TagSifter extension.
Firefox lets you tag your bookmarks, but it doesn't give you a great way to browse your bookmarks by their tags.
Download:

+ Xmarks Sync (NOTE: Xmarks is SHUTTING DOWN. Don't use it.  
                     This will backup your ALL bookmarks so DON'T use for official links)

          Description:
          Xmarks is the #1 bookmarking add-on.
          Keep your bookmarks, passwords and open tabs backed up and synchronized across computers
          and browsers. Search smarter with website ratings and reviews displayed with your search results.

          Download: Add to Firefox

+ Firefox Sync by Mozilla Labs
    Description:
    Free browser add-on that lets you stay in sync with your Firefox.
    Access your history, passwords, bookmarks and even open tabs across all your devices.
    Download: Add to Firefox 

+ Bookmarks Duplicate Detector

Description:
Detects Duplicate Bookmarks when bookmarks are added and specify where is the previous URL. You can also search and delete duplicates URL already in your Bookmarks.
Download: Add to Firefox

Not available for Firefox 3.6.10

WikiSeer Keynotes

Description: WikiSeer Keynotes finds the most significant content in any English web page; shrinking the original up to 99%. It serves as a middle ground between skimming the titles and reading the entire article, providing a faster / richer reading experience.
Download: Continue to Download →

Lazarus: Form Recovery

Description: Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief
Download:  Add to Firefox

Reframe It

Description: Commenting tool to add comments right next to Web pages without permission and share with others.
Download: Continue to Download →

DejaClick

Description: Record and bookmark your browser activities, then with a single click, replay the entire sequence all over again.
Download: Add to Firefox

FloatNotes

Description:
With this add-on you can put notes anywhere on a website. Add comments, links or even images. It can help you doing research on the web, remind you of topics you want to blog about, etc. It is simple and easy to use.
Download: Add to Firefox