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Flagfox

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Rated 5 out of 5 stars (673)
12,567 weekly downloads

Gmail™ Notifier (restartless) Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 4 out of 5 stars (276)
6,821 weekly downloads

Gmail™ Notifier + Featured

Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.

Rated 4 out of 5 stars (80)
4,381 weekly downloads

MinimizeToTray revived Requires Restart

Minimizes windows into the system tray.

Rated 5 out of 5 stars (334)
4,182 weekly downloads

eBay for Firefox

See quick updates on all your activity while you browse the web with the official eBay app for Firefox.

Rated 2 out of 5 stars (291)
4,141 weekly downloads

Keepa.com - Amazon Price Tracker

→ Price History charts
→ Price Drop & Availability Alerts
→ Daily Drops, an overview of recent price drops
→ Huge frequently updated product database
→ Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .cn | .it | .es | .in | .mx | .br

Rated 5 out of 5 stars (22)
3,535 weekly downloads

ReminderFox Requires Restart

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Rated 4 out of 5 stars (532)
3,295 weekly downloads

Disable Add-on Compatibility Checks (Version 40+)

Reinstates the extensions.checkCompatibility preference.

Rated 5 out of 5 stars (2)
3,286 weekly downloads

X-notifier lite (for Gmail, Hotmail, Yahoo)

Notifier for Gmail, Hotmail, Yahoo mail.

Rated 4 out of 5 stars (23)
2,941 weekly downloads

Popup Blocker (strict)

Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address

Rated 4 out of 5 stars (6)
2,819 weekly downloads

AdBlocker Lite

block ads seamlessly on popular websites

Rated 4 out of 5 stars (31)
2,698 weekly downloads

MyKey Interface Requires Restart

Interface between Firefox and MyKey.

Rated 4 out of 5 stars (23)
2,564 weekly downloads

The Camelizer - Price Tracker

Add price history charts and price watch features to Firefox when viewing product pages on Amazon. Use it to make informed purchasing decisions and to receive price drop alerts via email, Twitter, or RSS feed.

Rated 4 out of 5 stars (86)
2,510 weekly downloads

X-notifier Neo

Notifier for Gmail, Hotmail, Yahoo, AOL and so on

Rated 3 out of 5 stars (6)
1,913 weekly downloads

Weather Forecast Plus Featured

Weather Forecast Plus is the easiest way to check the weather while you browse internet

Rated 4 out of 5 stars (47)
1,873 weekly downloads

Work Offline Requires Restart

Adds work offline mode UI to Mozilla Firefox.

Rated 4 out of 5 stars (50)
1,852 weekly downloads

WorldIP - Geo Add-on with Security Features Requires Restart

Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter

Rated 5 out of 5 stars (122)
1,834 weekly downloads

Simple Popup Blocker

Simply toggle between three different popup blocking modes: allow all, allow requested or block all. Now with tracking protection.

Rated 5 out of 5 stars (24)
1,758 weekly downloads

Tab Memory Usage Featured

Tab Memory Usage displays the amount of memory is used by each tab

Rated 4 out of 5 stars (35)
1,740 weekly downloads

Coupons at Checkout

Never search for a coupon again! Coupons at Checkout uncovers coupon codes automatically at thousands of online stores. Wherever you see a ‘Coupon Code’ box, now just click to see all the retailer's latest coupons! As featured in CNET & Lifehacker!

Rated 5 out of 5 stars (29)
1,684 weekly downloads