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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.
NoScript Security Suite Featured
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
Record, bookmark and replay your browser activities in a snap with DéjàClick. Designed for Firefox, DéjàClick can handle the most complex websites - including AJAX, Flash, forms and more. With a single click you can repeat your most common tasks.
A suite of tools for developers.
IDE for FireFox plug-in developers and business analysts who create User Interface mock-ups. A WYSIWYG XUL editor
Web Developer Featured
The Web Developer extension adds various web developer tools to the browser.
Shows all source files of a webpage.
Compatibility Detector for Firefox No Restart
Search Tool for Webdeveloper
XPCOMViewer is tiny tool for exploring XPCOM components.
Search engine for developers that searches for tutorials, as well as through README's and video training sites.