Add extensions, get work done

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.

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...

Tomato Clock

Tomato Clock is a simple browser extension that helps with online time management.

Weather Extension

The best way to see the weather right in your browser. Easier than looking outside!

Livemarks

Get auto-updated RSS feed bookmark folders.

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

GNOME Shell integration

This extension provides integration with GNOME Shell and the corresponding extensions repository https://extensions.gnome.org

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.

Tab Auto Refresh

Automatically refresh tabs based on custom time intervals

Auto Refresh Page

Refresh web pages automatically. Auto-refresh and page monitor with specified time intervals.

Gmail™ Notifier (restartless)

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

WEB.DE MailCheck for Firefox

Mail notifier for multiple email accounts

Checker Plus for Gmail™

Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.

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.

GMX MailCheck for Firefox

Mail notifier for multiple email accounts

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.

Distill Web Monitor

Monitor website changes and get SMS, email or push notifications on change.

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.

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.

Shows country flag based on the server location of the active tab's url

Check4Change (aka C4C) is a simple extension that allows you to select a part of a web-page, and get notified when it changes.

Stylish timer combined with stopwatch and alarm for your browser.

Go to the pinned GMail tab. If it doesn't exist, it's created. It also alerts you the unread emails.