Extensions by Weekly Downloads
Dynamic creation of bookmark-style toolbar buttons which you can customize.
PasteHyperlink Requires Restart
Paste the clipboard contents into the selected text as a hyperlink.
Changes the mask character used in password fields.
Updated version of the original DSLR Notifier, created by Ryan Flint, which enables members of Dsl/Broadbandreports.com to keep tabs on their instant messages and updated...
Moji Requires Restart
An integrated sidebar-dictionary for Japanese and Chinese including kanji dictionary.
Upload any image to wampi.ru image hosting via right click menu
Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.
Classicish Add-on Manager Requires Restart
A restyling of the Add-on Manager to a more native appearance.
Tabinta Requires Restart
Tabinta lets you insert tab characters in multi-line text input fields. The name itself is a shorthand for "Tab in Textarea"...
Dictionnaire des synonymes FR Requires Restart
Adds to browser French(FR) synonyms dictionary from package LibreOffice.
AdWords OK Requires Restart
Google Adwords Statistical Relevance View Expansion: Don't make decisions on average values. AdWords-OK expands your AdWords statistics by min and max-values. Your values will stay in the longterm with a probability of over 95% between this values.
Sort and Search Customization Dialogs Requires Restart
Sort and search for buttons in (any) toolbar customization dialog
ConQuery Requires Restart
Context searching for everyone and URL manipulation tool for advanced users...
Der Spam-Filter für Xing! Entfernt störenden Spam aus der Xing-Timeline und den Gruppen.
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
Pins a YouTube video to the page so that it is always visible while you scroll and read comments. Port of Chrome's Video Pinner extension
Channel Guard Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
CloseTab Requires Restart
Lightweight add-on which adds to right-click menu 3 items allowing to close current tab, open a new one and reopen closed one. Right-click anywhere on site instead of using keyboard or finding buttons.
Displays startup timings
UPDATE: XPI delay has been removed in Firefox 40!
Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!
Unlike similar addons, this works on Firefox 4 and beyond.