The YouTube Plus Plus extension for Firefox is brilliant. You can watch a video while you search another one on the same page. Thanks to HTML5, you can easily create playlists and save them locally.
The Traffic Codex Promo Code Finder provides a simple and non-obtrusive way for you to maximize your advertising results. If you happen upon a website with free advertising promo codes available, the icon will light up to say that you can claim them!
Price tracker with price history charts and watchlists for Amazon, Newegg, BestBuy, Target, Staples, HomeDepot, and dozens more. Don’t settle for price history from just a few stores!
Download Plan is an interesting Firefox extension. It lets you download files at specific time intervals.
The Flash Control add-on for Firefox will let you control over which sites you choose to allow Flash Player to display. It’s designed with YouTube in mind.
This extension lets you to copy page’s title & URL in two clicks, as the old Opera browser did. Now it’s easier to share link with someone without explaining what’s this page about.
Do you enjoy tabbed browsing? Are you annoyed when Firefox is able to display just 7 or 8 tabs (and two scroll arrows) in the tab bar? This simple yet powerful add-on allows your tabs to shrink to a smaller size before going into overflow.
What does Compact Tabs do? Makes more room for page titles in the the Firefox tabs bar by removing the extra white space, making them appear a bit more compact.
The Paper add-on for Firefox sends an article to Instapaper by shift-clicking a link, doesn’t make any noise and is pretty customizable. Great for adding links from one page in a bulk, you just click on each one and there you go.
Opera has a really nice feature that allows you to “Go back to start”. So, what does that mean exactly? This means you can go back to the first page on a website you started browsing, even if you are a few clicks in. The Back to Start add-on for Firefox brings this functionality to your favorite browser.