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Remote XUL Manager No Restart

Manages the Remote XUL whitelist to allow websites and local files to load XUL content.

Rated 5 out of 5 stars (34)
58,046 users

User Agent Changer

Adds a menu and a toolbar button to change the user agent of a browser.

Rated 4 out of 5 stars (6)
3,924 users

Key Manager

KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation

Rated 3 out of 5 stars (20)
1,206 users

Config Descriptions No Restart

Shows source comments for advanced application preferences in about:config

Rated 5 out of 5 stars (19)
2,465 users

Stylish-Custom

custom additions to Stylish extension.
brings back features from 0.5.9 and adds new features

I can't be bothered to change SC, so amo will allow it to be uploaded
http://choggi.org/misc/Stylish-Custom/

Rated 4 out of 5 stars (37)
2,458 users

foxmeter

An HTTP analyzer addon for Firefox, fork from HttpFox with features like: summary by host, and more coming soon

Rated 5 out of 5 stars (1)
236 users

IP Flager No Restart

Shows country flag for the website in the location bar.

Rated 5 out of 5 stars (2)
38 users

sepsis-console (Deprecated)

THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.

sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.

Not yet rated
4 users

Add-ons Manager - Version Number No Restart

Restores add-on version number inside Add-on Manager for latest builds of Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (3)
48 users

No More .org No Restart

No More .org prevents Firefox from loading websites with .org in the URL. This add-on was made for testing in Firefox

Rated 3 out of 5 stars (3)
2 users

Reload Skip Cache Button No Restart

Reload page without using content stored in the browser cache to make sure you get any updates.

Not yet rated
8 users

MR Tech Link Wrapper Lite

Wraps long links and lines to spare you from having to scroll left and right...

Rated 1 out of 5 stars (1)
22 users

AuctionSearchKit

One-click eBay tools providing useful information to the buyer including a map of where items are located, past feedback on similar items and seller history/statistics.

Not yet rated
51 users

Google Redesigned 2

Ported version from Firefox to be compatible with Seamonkey 2.

A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.

Not yet rated
24 users

MR Tech Disable XPI Install Delay

Disables default delay when installing...

Rated 5 out of 5 stars (16)
335 users

Debugger Server Enabler No Restart

Starts the remote debugger server.

Not yet rated
14 users

MR Tech About:About

Adds the following "about:" options to the Help menu

Rated 3 out of 5 stars (7)
166 users

docked JS-Console

docks the JS-Console to the Bottom of the Browser

feel free to have a look at the source (see below) and suggest enhancements (borstel33 web de , Subject: docked JS-Console)

Rated 4 out of 5 stars (10)
240 users

EmotiConverter

Post your best emoticons of the easiest and fastest way.

Rated 5 out of 5 stars (33)
547 users

Relaxed the HTML Validator

"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.

Rated 2 out of 5 stars (4)
57 users