created for individuals wanting to develop full-featured extensions for the Mozilla Firefox browser. The tutorial has been constructed as a step-by-step guide providing many examples, explanations, and external references and more...
a great list of keyboard shortcuts for the upcoming IE7. What makes it even greater, however, is that almost all of the shortcuts work identically in Firefox.
integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
scans web pages and tells you where media players are getting their data from, and displays it as a simple hyperlink: in most cases, you can then follow the simple download link to save the media file.