SilveOS

SilveOS.com - free to use internet operating system or webtop. It provides a cross-platform environment similar to that of Windows inside web browser.

Affilitizer

Affilitizer highlights advertisers with affiliate programs within Google Search result pages and in the address bar.

Sidebar for Google™ Search

Easy Access to Google search via Sidebar UI

TST Lock Tree Collapsed

Provides ability to lock trees in Tree Style Tab as collapsed.

Crunchyroll Skipper

Allows intros and outros to be skipped through a skip button per anime episode on Crunchyroll

CCFrank

此附加组件会添加一个网页标记，以便用户可以从 dblp、Google 学术和 Connected Papers 轻松查询学术文章的类别（即其在《中国计算机学会推荐国际学术会议和期刊目录》第五版(2019年4月)中的类别）。

new-tab-url

Set a custom URL for the new tab page. Very simple. Uses the tabs and storage permissions. Open source under GNU GPLv3. Source here: https://github.com/comnom/new-tab-url

Bookmark Shortcuts

Adds shortcuts to Bookmark Toolbar

Virtual Arabic Keyboard

Virtual arabic keyboard which lets you type in Arabic language in case you don't have a physical arabic keyboard attached to your computer.More info on

Shopper.com

Shopper.com is a community of shoppers who share various information including best deals, coupon codes and discount vouchers. Shopper.com already have uploaded thousands of coupons that work for major brands ac

Tab Control

A very simplistic add-on to position new tabs to the right of the current tab and activate the tab to the left when closing the current tab.

OpenList

Utilities to create and open lists of tabs. Forked from the Chrome version and ported to Webextension. Original extension by Chris Dzombak, ported to Firefox by Guillaume Migeon.

Canvas Capture

Capture video from canvas elements

Diki.pl translation

Displays translation of selected text provided by diki.pl dictionary. Integrated with eTutor vocabulary app.

ClipConverter Lite

Download from YouTube using the service provided by ClipConverter, via button (Desktop) or menu (Firefox for Android).

Metric Cooking

Annotates US cooking units with their metric equivalent (e.g. 1 3/4 cups sugar [350 g])

Hydrator

Hydrator reminds you to drink water with a preset time using simple browser notifications!

Pikachu

Pikachu is a short, chubby rodent Pokémon. Try to win in this game!

Clickin

https://youtu.be/pUEkz9HSty8 -- usage instruction. The most simple to use autoclicker... Literally, I made this because I couldn't find a good one :D

DNSSEC/DANE Validator

Validate DNSSEC & DANE using DoH

Click to Call

Enable click-to-call functionality.

In-Page Pop-up Reporter

Help curate a data set of pages that open in-page pop-ups by reporting the URLs of such pages as you encounter them during your browsing. Mozilla is experimenting with a browser feature to detect such pop-ups automatically and block them.