A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)
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.
Safe for Amoled No Restart
Darkens the background of the page
Re-Pagination No Restart
See more search results etc. on one page, concatenating several pages together...
Add a compact menu button to the navigation toolbar, and hide the menu bar.
jQuery and jQuery UI embedded in browser
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.
This add-on provides configurable keyboard shortcuts for several actions and a dialog to customize them.
All shortcuts can be redefined in Tools -> Key settings
Old Default Image Style No Restart
Restores the default image style used for top-level images in previous versions of Firefox.
Replaces the error page with a more stylish appearance with additional features.
Adds Firefox-style tab closers into SeaMonkey.
Page Colors & Fonts Buttons No Restart
Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
custom additions to Stylish extension
Restart Application Button No Restart
Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.
Big Navigation No Restart
enlarging the navigation links on the pages
Firefox style sidebars for SeaMonkey...
An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey
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