Password Tags Requires Restart
Adds metadata and sortable tags to the password manager.
printplus Requires Restart
PDF export support by Gecko.
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
QuickFolders (Tabbed Folders) Requires Restart
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
RC Print Requires Restart
Adds a "Print" option to the Right-Click context menu.
See more search results etc. on one page, concatenating several pages together...
Reload page without using content stored in the browser cache to make sure you get any updates.
Remember Mismatched Domains Requires Restart
The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...
The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.
The "Responsible Blocker" arrives to save the Internet!
Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Right Links Requires Restart
This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.
Darkens the background of the page
Scriptish Requires Restart
The greatest user script engine on the Internet (a fork of Greasemonkey).
Sea Fox Requires Restart
Transform SeaMonkey into Firefox 3.x
SeaFind - Findbar for SeaMonkey Requires Restart
Adds the find in page toolbar (findbar) from Firefox to SeaMonkey.
SeaMonkey Vertical Tab Bar Requires Restart
Tab bar on the side of the window for SeaMonkey.
Switch the current search engine on the fly! Press Control + Shift + Down Arrow to switch to the next search engine or Control + Shift + Up Arrow to select the previous one.
SeaTab-X-2 Requires Restart
Adds Firefox-style tab closers into SeaMonkey.
Shift+LeftClick XUL Requires Restart
This simple addon has only this functionality, nothing else: it opens links in a new active tab with Shift+LeftClick (left mouse button click).
Better use https://addons.mozilla.org/ru/firefox/addon/shiftleftclick-opens-links-in-/ for FireFox.