Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.
Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.
The Custom Buttons² Firefox extension provides the code base support necessary to create, maintain, import, and export custom toolbar buttons. The buttons can perform just about any task, with a large number of buttons already available on the exte...
Simple Mozilla Firefox add-on that allows snippets in Scratchpad.
Enables you to use external text editor with Scratchpad.