My Favorite Add-ons
About this Collection
My favorite add-ons
125 Add-ons in this Collection
Bring back your personal and powerful Firefox Button!
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
Changes the Location Bar of Firefox into a Breadcrumb display with rich and interactive features.
Easiest way to Add and Manage Custom User Styles in Firefox.
Add, Edit, enable, disable and delete in-numerous User Style Sheets to redesign the Firefox and the Web.
KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
Adds extension options dialogs to the Tools or Titlebar menu and includes toolbar icon.
Facilitates opening multiple tabs from the Bookmarks Menu and various other bookmark/history related dropdown menus. Less need to keep reopening menu, without needing to use the bookmarks sidebar. Optional auto-closing feature adds extra convenience.
XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)
Install Browser Extensions straight from GitHub Repositories
Add sub-menus to History Menu for previous days' history.
Lets you take a peek at the files under the hood of your Firefox installation and profile...
Developer Assistant by Ted Mielczarek, Gavin Sharp, others
A suite of tools for developers.