So far my favourites are:
SNIP
I'm up to 69 & still counting!!
Most available from
http://extensionroom.mozdev.org/main.php/Firefox &
http://www.extensionsmirror.nl/index.php?showforum=2
***** are the ones I can't do without
*****Adblock 0.5.2.039 Filters ads from web-pages
Allow Right-Click 0.1 Defeats web sites' right-click prevention scripts.
Always Remember Password 0.1 Makes the browser ignore web site requests to not remember
passwords.
Autofill 0.2 Automatically fill out HTML forms
Bookmark Duplicate Detector 0.0.1 Detects Duplicate Bookmarks when bookmarks are added
ChromEdit 0.1.1 A Simple User Profile File Editor
ConQuery 1.2.2.20040917 Context sensitive webquery extention
Context Highlight 0.1 Lets you highlight words on the page via the context menu.
*****Copy Plain Text 0.2 Copies text without formatting
Copy URL + 1.2.1 Copies to clipboard the document's URL along with the title or the selected
text.
CuteMenus 0.4 Adds icons to menus and popups.
*****DownloadWith 0.0.7+ DownloadWith is Mozilla/Firefox extension to download files with
external programs like wget, prozilla, Downloader for X, Download Accelerator Plus and GetRight.
Duplicate Tab 0.3 Adds Duplicate Tab Function
Enhanced History Manager 0.4.1 Flexible History Management
Ext2Abc 0.2 Alphabetizes your extension manager list.
External Application Buttons 0.6.6 Add buttons to launch applications from within Firefox
Favicon Picker 0.2.3 This extension adds UI for replacing bookmark icons.
FirefoxView 0.31.1 View pages and links loaded into IE in Firefox
Firesomething 1.6.0 All your branding are belong to Firesomething.
Hide Searchbar 0.2 This extension allows you to hide or show the search bar when Ctrl+Shift+S is
pressed.
Install New Theme 0.2 Provides a button in the Theme Manager for installing themes from disk.
*****Linkification 0.9.19 Converts text links into genuine, clickable links.
Location Navigator 0.2.2 Tools used to navigate up/down through the numeric portion of a
location.
Make Link 2.0 Make HTML or ForumCode links via the context menu
Open Long Url 0.1.1 Adds an option to your File menu to allow you to open long, multiline, urls.
Plain Text Links 0.2 Treat selected plain text urls as links, right click to open
QuickNote 0.6 A note taking extension with advanced features
Save Selected Text 0.1 Saves the Selected Text.
Slashy 1.0.0 Fixes Windows backslash file separators in links and images
Sort Bookmarks 0.5.1 This extension sorts your bookmarks alphabetically.
SpellBound 0.6.0 Composer Spell Checker ported to Firefox
Statusbar Clock 1.6.4 Display the date and time in your browser's status bar.
*****SwitchProxy Tool 1.3 A tool that allows you to manage and switch between multiple proxy
configurations quickly and easily.
*****Tabbrowser Preferences 0.6.14 Enables enhanced control for tabbed browsing.
Translate 0.6.0.2 Translate web pages and/or selected text to different languages
Translate Page 0.1 Adds a Translate Page option to the Tools menu.
undoclosetab 20040617 Adds Undo Close Tab.
User Agent Switcher 0.6 Adds a menu and a toolbar button to switch the user agent of the browser.
*****SessionSaver 0.2 Magically restores your last browser session
*****downTHEMall! 0.9.4 Filter the extensions of all the links present in a page and download
the selected files ot the pictures in just one click!
xMirror 0.1.1 Creates a dropdownlist in your extensionmanager that allows you to select 3 other
extensionsites: extensionmirror.nl, texturizer.net, extensionroom.mozdev.org
*****File Size 1.1.4 Right click on a link then select properties.
Slim Extension List 0.1 Makes items in extension list shorter, so you can see more at once.
Also, sorts them by name.
*****Sage 1.2.2 A lightweight RSS and ATOM feed aggregator.
BookmarksHome 1.2.3 Makes pretty startup page out of bookmarks
Jump Link 1.3 Open redirect links. Directly! (e.g. in Hotmail messages without going through the
frame window).
Disable Targets For Downloads 0.7 Prevents download links opening a blank window.
miniT (drag+indicator) 0.4 Adds tab dragging with drop place indicator.
LiveLines 0.3.2 Add RSS feeds to Bloglines or Sage with the RSS icon on the status bar.
JustBlogIt 0.1 JustBlogIt with a simple right-click.
*****WeatherFox 0.5.1 Get the weather in any toolbar or statusbar!
Advanced Highlighter Button 1.51 An advanced highlighter companion for the searchbox
LiveBookmarkThis 0.2 Gives an Add Live Bookmark option when right-clicking links
Download Manager Tweak 0.6.2 A modification of the Firefox download manager that changes its
appearance and allows it to be opened in a separate window, a new tab, or the sidebar.
InfoLister 0.7.2 Lists vital development information about Firefox
MileWideBack 0.2.1 Quickly navigate back in the browser by clicking on the left border of the
window.
fireFTP 0.84.3 FTP client for Mozilla Firefox.
FoxyTunes 0.69 Control any media player from Firefox and more...
LinkVisitor 1.0.20041021 Mark link(s) as visited or unvisited.
OpenBook 1.2.0 Allows for customization of the Add Bookmark dialog
Flat Bookmark Editing 0.6 Edit bookmarks in the bookmark manager, without opening the properties
window.
Menu Editor 1.1 Control context menus
*****RSS Editor 0.0.2 Gecko based desktop RSS editor
Bookmark Backup 0.3.1 Creates a backup of bookmarks.html each time the browser is closed.
Show Image 0.3 Adds context menu entry to reload images that failed to show on page.
refspoof 0.6 Allows easy spoofing of URL referer w/ toolbar.
Go Up 0.9 Easily navigate 'up' a level in a Web site
Digger 0.7 Dig through URLs from Go button's context menu
Opine-It! 1.1 Allows you to comment on any webpage on the net!.
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