Firefox（火狐）为我最喜欢的浏览器，近万的扩展插件可以实现各种需求和创新……
1. 扩展Add-On
about:me : The about:me page provides a fun way to see personalized patterns in browser usage, including trends in browsing history and download activity.
Adblock Plus : Ever been annoyed by all those ads and banners on the internet that often take longer to download than everything else on the page? Install Adblock Plus now and get rid of them.
Adblock Plus:Element Hiding Helper : Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
支付宝安全控件(AliPay Security Control) : 登录支付宝网站的安全控件.
All-in-One Sidebar : All-in-One Sidebar 是一个侧栏控制器，灵感来自 Opera 的面板。它可以让您快速切换侧栏面板，在侧栏访问网站或查看页面信息与源代码。AIOS 包括侧栏切换柄和工具栏，所有这些都允许用户自由定制。
App Tabs : Pin favicon-sized app tabs to the left side of the tab bar! Inspired by a feature by the same name planned for Firefox 4.0!
Better Gcal : Adds collapsible header and sidebar, event title text wrap, colored weekend days, week numbers, and skins to Google Calendar.
Better Gmail 2 : Add useful extra features to Gmail, like hierarchical labels, an unread message icon on your browser tab, file attachment icons, and more.
Better GReader : Add useful extra features to Google Reader, like feed favicons, inline article previews, and unread counts in your browser tab with Better GReader.
CodeBurner for Firebug : CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.
CookieSwap : CookieSwap enables you to easily swap all your cookies so that you can be logged in to multiple web e-mail accounts (like Gmail and Yahoo! mail) as different users at the same time and quickly switch between them.
Cooliris : The Cooliris 3D Wall — Simply the fastest and most stunning way to browse photos and videos from the Web or your desktop. Effortlessly scroll an infinite “3D Wall” of your content from Facebook, Google Images, YouTube, Flickr, and hundreds more.
Coral IE Tab : 基于 IETab 开发的增强版本，除具备 IETab 的全部功能外，还可以在 IE 引擎中用 Adblock Plus 过滤广告，以及同步 Cookie 使得切换到 IE 引擎时不需要重新登录。
CustomizeGoogle : CustomizeGoogle is a Firefox extension that enhance Google search results by adding extra information (like links to Yahoo, Ask.com, MSN etc) and removing unwanted information (like ads and spam). All features are optional and easily configured.
DownThemAll! : The first and only download manager/accelerator built inside Firefox!
Dust-Me Selectors : Finds unused CSS selectors.
FastestFox : Save time by speeding up repetitive tasks. Get faster, parallelized downloads, auto-loading of next page, improved searching, and more. FastestFox will dramatically enhance your productivity!
FEBE : FEBE (Firefox Environment Backup Extension) 允许您快速便捷地备份您的 Firefox 扩展。实际上，它不单纯备份扩展 — 它可以将您的扩展打包为可安装的 .xpi 文件，这样您就可以方便地在您办公室和家里的浏览器之间进行同步。
Firebug : Firebug 为你的 Firefox 集成了浏览网页的同时随手可得的丰富开发工具。你可以对任何网页的 CSS、HTML 和 JavaScript 进行实时编辑、调试和监控…\n\nFirebug 1.4 仅支持 Firefox 3.0 或更高版本。
Firefox Showcase : Easily find and manage your browser tabs.
FireRainbow : Javascript syntax highlighting for Firebug 1.3+
FireShot : FireShot is a Firefox extension that creates screenshots of web pages (entirely or just visible part).
Fission : Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.
FlashGot : Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Gmarks : GMarks helps you sync & manage your bookmarks with Google Bookmarks…
Google Gears : Gears is an open source project that enables more powerful web applications.
Google Redesigned : A complete redesign of popular Google services, Google Redesigned loads and manages several CSS stylesheets that change the appearance of popular tools.
Google Toolbar for Firefox : Google 工具栏
Greasemonkey : Allows you to customize the way a webpage displays using small bits of JavaScript.
GTDInbox for Gmail : Use GTDInbox to effectively manage your inbox, reduce email overload and maintain inbox zero. Turn emails into actions, and Gmail into an easy to use task manager, to get things done.
Hide Menubar : 支持自动隐藏主菜单工具栏，临时显示请按 ALT 键。
Illimitux : Unbridle videos from streaming platforms
Live HTTP headers : View HTTP headers of a page and while…
MediaWrap : This sexy baby can transparently wrap ActiveX into the Plugins which supported by firefox. You can just link the media files(Wmplayer, Rmplayer, QtPlayer and FlashPlayer) as normally without security problems.
Multiproxy Switch : 代理管理工具，让你切换代理服务器更方便！
Nightly Tester Tools : Useful tools for the nightly tester.
Page Speed : Page Speed is an open-source Firefox/Firebug Add-on. Webmasters and web developers can use Page Speed to evaluate the performance of their web pages and to get suggestions on how to improve them.
Pencil : Pencil is a Firefox add-on to do GUI prototyping and simple sketching
Personal Menu : “Menus Toolbar” item is now available in Toolbar Context Menu and you may hide it forever!
ReloadEvery : Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via a drop down menu on the reload button …
SkipScreen : Skips unnecessary pages on sites like Rapidshare, Megaupload, zShare, Mediafire, and more.
SmoothWheel(AMO) : Scrolls the document smoothly when scrolling the mouse wheel (or using keyboard arrows).
Stylish : 给页面和用户界面来个新形象
Tab Progress Bar : Provides a progress meter for each tab.
Textarea Cache : 記錄使用者在各文字輸入區所輸入的內容，不論是誤關分頁、誤關視窗、程式當機等情形，都有機會救回資料。
TinEye Reverse Image Search : TinEye is a reverse image search engine. The plugin adds a right-click menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution …
TooManyTabs : TooManyTabs allows you to store as many tabs as you like by adding extra rows in the Firefox! It saves your browser’s space and memory as idle tabs are put aside. The extra rows also help to better prioritize and visualize your tabs.
Torbutton : Torbutton 为浏览器提供了一个按钮，用以既安全又方便地开启或关闭 Tor 的使用。目前它是唯一的安全管理 Tor 浏览的插件，能阻止 IP 地址泄露、cookie 泄露和一般的隐私攻击。
Tree Style Tab : 以树的形式显示标签。
Undo Closed Tabs Button : This extension allows you to undo closed tabs via a toolbar and/or tab bar button or the right-click context menu.
User Agent Switcher : The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of the browser.
Weave Sync : Whether you use Firefox on your phone, laptop, or desktop, Weave Sync lets you securely take your bookmarks, history, tabs and passwords wherever you go.
Web Developer : The Web Developer extension adds a menu and a toolbar with various web developer tools.
WOT : 当您在网上浏览和购物时，Web of Trust 可以保护您的安全。 在您单击网站链接之前，WOT 用颜色标记的符号可帮助您远离在线诈骗、身份信息窃取、不可靠的购物网站以及安全威胁。 现在就将 WOT 添加到 Firefox，更加安全地网上冲浪吧！
XUL/Migemo : This includes 3 features about the find toolbar. First, the dictionary-assisted find. Second, more customizable Find Toolbar. Third, the highlight feature like Safari 3.
2. 主题
Strata40