Add-ons
Web and Developer Tools
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Restartless Restart
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey)
Requires Restart
IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +
Scriptish
Requires Restart
The greatest user script engine on the Internet (a fork of Greasemonkey).
Composer Open In
Requires Restart
Adds a toolbar button to Composer to open the current file in another editor or browser.
Config Descriptions
Shows source comments for advanced application preferences in about:config
Sidebar Add Custom Tab
Requires Restart
Adds an 'add custom tab' option to the Tabs drop-down menu of SeaMonkey's sidebar.
About Add-ons
Requires Restart
Adds an About button to extensions, themes, and languages in the Add-ons list.
Stylish-Custom
Copy Pure Text
Requires Restart
Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.
Modify HTTP Response
Whois Lookup & Hosting & DNS & Site Flags Firefox
Requires Restart
IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.
Console²
Requires Restart
Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
InspectorWidget
Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
RequestPolicy Continued
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
Font Finder
Requires Restart
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
ExtExp
NoRedirect
Requires Restart
NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.
User Agent Changer
Requires Restart
Adds a menu and a toolbar button to change the user agent of a browser.
To create your own collections, you must have a Mozilla Add-ons account.
