Big Navigation No Restart
enlarging the navigation links on the pages
Open With Google Chrome No Restart
Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.
Classic Toolbar Buttons No Restart
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.
Beta builds on versions page!
Safe for Amoled No Restart
Darkens the background of the page
YouTube Video Player Pop Out No Restart
YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.
Add-ons Manager - Version Number No Restart
Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.
URLFilter No Restart
Block advertisement and access to adult sites
Theme Font & Size Changer No Restart
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
An easier management of the user interface language
Add browser-restart buttons and browser-restart menus to Firefox and SeaMonkey browsers.
JS on/off status bar button
Adds colourful icons to buttons and menus
Tategaki allows vertical writing-mode on mail compose window.
Shows an indicator on the status bar in front of the link address when the mouse cursor is over a link to a page you have bookmarked or visited before.
No Caption No Restart
Hide the caption of Firefox
Tab Wheel Scroll No Restart
Switch tabs by scrolling with the mouse wheel in the tab bar.
Adds metadata and sortable tags to the password manager.
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.
GNotifier No Restart
Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.