Welcome to SeaMonkey Add-ons.
Add extra features and styles to make SeaMonkey your own.Close
Duplicate Tab allows you to clone a tab along with its...
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...
Customizations for Adblock Plus No Restart
This extension provides various customization options for the Adblock Plus user interface.
Allows users to edit the flags Thunderbird sets on folders.
Adds metadata and sortable tags to the password manager.
Transform SeaMonkey into Firefox 3.x
Lightweight Themes Manager No Restart
Manage your installed personas (lightweight themes).
Converts text links into genuine, clickable links...
A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.
Re-Pagination No Restart
See more search results etc. on one page, concatenating several pages together...
Resize 'Add Bookmark' Popup / 'Edit This Bookmark' Popup, fixes tree selection bug, option to disable popup auto close & Update Url and/or Name of a bookmark with the Url/Title of current page.
Replacement of OpenBook addon
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
All Menus Button No Restart
Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.
Big Navigation No Restart
Increases the navigation links on the pages
Single Key Tab Switch provides configurable single hotkeys for switching tabs, like the 'Single-key shortcuts' feature of the Opera browser.
Open links, pages, and bookmarks in any other browser, using right-click context menus or with one click of the drop-down or standalone toolbar buttons. Modify any menu, browser name or location. Incognito/private browsing mode is also supported.
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.
Dybutar No Restart
Dynamic creation of bookmark-style toolbar buttons which you can customize.