KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
Feature rich XPath generator, editor, inspector and simple extraction tool...
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.
A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.
Displays the content of the HTML5 Local Storage for the current site.
This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.
Enables you to use external text editor with Scratchpad.
This tool will let you find HTML/XHTML blocks visually just by moving around the mouse pointer over the page, and modify them "on the fly" from your browser quick and easily...