Add-ons

JavaScript Debugger by James Ross, Robert Ginda, others

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Collector's Note This is great during those times when the Error Console is failing to report errors

DOM Inspector by SeaMonkey Council

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Collector's Note Thunderbird versions on Toolkit

Execute JS by Rudolf Noe

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

Collector's Note This is a godsend for Thunderbird. Seriously. I wish I had this when I started developing ThunderBrowse

DOM Inspector by Scott MacGregor

Inspect the DOM of HTML, XUL, and XML pages, including the mail...

Collector's Note For Thunderbird versions that are on the XPFE engine.

Restart Thunderbird by Briks Software, David McNamara

Restart Thunderbird with ease.

Collector's Note A fantastic addon.

MR Tech Toolkit by mrtech

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Bugmail by Fabrice Desré

This extension adds bug status to the header pane. It currently supports Bugzilla, Trac, Flyspray and Launchpad.