Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Collector's Note 阻擋圖片及 Flash 廣告，還你一個無廣告的乾淨網頁。
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Collector's Note 專抓線上影音！
The first and only download manager/accelerator built inside Firefox!
Collector's Note Firefox 中的下載管理軟體！它支持多執行緒、續傳、批量文件下載，同時允許HTTP和FTP協議。有了DownThemAll! 就可以跟 Flashget 說再見了。
Collector's Note 附加元件中的附加元件！讓你的Firefox更加強大。
The most lightweight and easiest translator. Translate between more than 80 languages with one click or a hot key. Translate from one word to a whole page.
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.
Collector's Note 功能與 Greasemonkey 接近，但更多了Firefox修改，安裝腳本後不會拖慢FireFox 的啟動速度及瀏覽速度。
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Collector's Note Adblock Plus 的小幫手，輕鬆選擇想阻擋的網頁廣告！
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
Collector's Note 全能型分頁管理強化套件！強力推薦。
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
Collector's Note 三大功能：多台電腦書籤同步、書籤備份、瀏覽網站推薦。
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Collector's Note 滑鼠手勢，懶人專用，減少瀏覽器按鈕的使用，瀏覽網頁更加方便。
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
Collector's Note 側邊欄增強套件！整合書籤、歷史、附加元件、等視窗，有了All-in-One Sidebar 再也不需上方標題列了。
Adds zoom and rotation functionality for images...
Collector's Note 快速使用滑鼠放大縮小圖片，瀏覽朱學恆網誌必備！
IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +
Fasterfox Lite: Performance and network tweaks for Firefox, without the Enhanced Prefetching. This is a fork from the original "Fasterfox".
Collector's Note 加速Firefox 瀏覽網頁速度，個人覺得…有效！
Collections are groups of related add-ons that anyone can create and share.Explore Collections