NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
297 936 users
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...
116 776 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
36 106 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
23 617 users
Keepa.com - Amazon Price Tracker
→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx
259 434 users
GNOME Shell integration
This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org
155 334 users
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.
79 872 users
Auto Refresh Page - Herlaai webbladsye outomaties
Herlaai webbladsye outomaties. Outo-verfris en bladsymonitor met gespesifiseerde tydintervalle.
38 893 users
Gmail™ Notifier (restartless)
Multiple account (or label) Gmail notifier (without storing passwords)
25 695 users
Checker Plus for Gmail™
Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.
22 737 users
Censor Tracker
Censor Tracker is an extension that allows you to bypass Internet censorship, warns you about sites that transmit your data with government agencies, and detect new acts of censorship.
14 856 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
14 417 users
Distill Web Monitor
Monitor website changes and get SMS, email or push notifications on change.
14 308 users
Calendly: Meeting Scheduling Software
Eliminate the back-and-forth of scheduling. Manage your meetings, scheduling links, and contacts — all in one place, from wherever you’re already working online.
11 316 users
G App Launcher (Google™ Shortcuts)
Previously known as Google™ Shortcuts.Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google Drive, Maps, Calendar, and many more in a single click from your browser.
8 618 users
easyfundraising Donation Reminder
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.
7 518 users
Check4Change
Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.
5 573 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5 399 users
Pinned GMail
Go to the pinned GMail tab. If it doesn't exist, it's created. It also alerts you the unread emails.
5 044 users
