Easily see behind the code to find out what makes those blogs you really like look so good! * Inspect HTML and modify style and layout in real-time * Use the most advanced JavaScript debugger available for any browser * Accurately analyze network usage and performance * Extend Firebug and add features to make Firebug even more powerful * Get the information you need to get it done with Firebug.
Greasemonkey is a Firefox extension that allows you to customize the way webpages look and function. Hundreds of scripts are already available for free. And if you're the tinkerer sort, you can also write your own.
The S3Fox Organizer(S3Fox), offers the ability to upload or download files to and from Amazon S3. The interface, which opens in a Firefox browser tab, looks much like that of FTP clients with a dual-pane layout. It displays files on your PC on the left, files on Amazon S3 on the right, and status or information in a panel on the bottom.
TweetDeck: a simple and fast way to experience Twitter. TweetDeck is your personal browser for staying in touch with what’s happening now, connecting you with your contacts across Twitter, Facebook and more. TweetDeck shows you everything you want to see at once, so you can stay organised and up to date.
FeedBurner is a web feed management provider. FeedBurner provides custom RSS feeds and management tools to bloggers, podcasters, and other web-based content publishers.