Universal standard for creating browser extensions.
Working through a W3C charter group, Mozilla has partnered with Microsoft and Opera to define a browser extension API that works across multiple browsers.
There is currently a preliminary specification that matches what Google has implemented in Chrome so that extensions written to the specification could potentially work on Chrome, Edge, Opera and Firefox.
🥗 All-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching.
Bitwarden client apps (web, browser extension, desktop, and cli).
A Vim-like interface for Firefox, inspired by Vimperator/Pentadactyl.
🧩 The cross-browser extension framework.
Authenticator generates 2-Step Verification codes in your browser.
A keyboard shortcut browser extension for keyboard-based navigation and tab operations with an advanced omnibar
ScriptCat, a browser extension that can execute userscript; 脚本猫，一个可以执行用户脚本的浏览器扩展
Open Source record and playback test automation for the web.
Scrobble music all around the web!
A beautiful, customisable New Tab page for Firefox, Chrome, and Edge.
Firefox/Chrome browser extension. SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
拯救B站的弹幕体验！
Accelerates your web browsing with Vim power!!
Chromecast Web Sender SDK implementation for Firefox
Firefox and Chrome WebExtension that deletes cookies and other browsing site data as soon as the tab closes, domain changes, browser restarts, or a combination of those events.
A web extension that helps you view JSON documents in the browser.
Enable Bing ChatGPT on Chrome and Firefox
A browser extension to improve TweetDeck with a lot of features
Created by Browser Extension Community Group
Released May 7, 2015