Adsense Notifier – This plugin will display your current Adsense earnings on your Firefox status bar.
Advanced Dork – This plugin gives quick access to over 15 Advanced Google Operators directly from the context menu.
CBNotify – You can display your daily Clickbank sales in the Firefox status bar. You will need to disable the Firefox add-on compatibility function to make this work when using Firefox 2.0. You can do this by clicking here.
CoLT – This plug in adds a Copy Link Text item function to the browser’s context menu. This add-on works wonders when you are submitting backlinks to blogs.
Del.icio.us Extension – This plugin allows you to view and search your Del.icio.us saved pages. You can also, save your current pages to del.icio.us.
Digg This! – This plugin adds Digg This! to the Firefox browsers right-click / tools menu.
DownThemAll – This plugin is a great mass downloader for Firefox browser.
IETab – This is a great plugin for web developers. You can now easily see how your website or webpage displays in IE with one click and then you can instantly switch back to Firefox.
Linkification – This plugin will turn text links into real genuine clickable links.
Linky – This plugin allow you to Open then download and validate links and pictures in tabs/windows. This is a great tool allowing you to open all the links on a page at once.
PDF Download – This plugin gives you the option of choose what to do with a PDF file: you can download it, or view it with an external viewer or you can view it in HTML!
Screen Grab! – This plugin will saves an entire webpage as an image.
Search Status – This plugin will display: the websites Google PageRank as well as the Alexa score. Also includes a fast keyword density analyzer, a keyword/no-follow highlighter, a backward/related links function along with other seo goodies.
Translator – This is a useful tool when you are marketing in other languages other than English or are using translation software.