JSPM

An in-memory implementation of webextension-polyfill for testing. Supports all test frameworks (Vitest, Jest, etc)

Utilities for working with match patterns.

Isolate content script UI's styles from the parent page. Supports all browsers (Chrome, Firefox, Safari)

Light weight, type-safe wrapper around the web extension messaging APIs. Supports all browsers (Chrome, Firefox, Safari)


A type-safe, localStorage-esk wrapper around the web extension storage APIs. Supports all browsers (Chrome, Firefox, Safari, etc)

A type-safe wrapper around the web extension messaging APIs that lets you call a function from anywhere, but execute it in the background. Supports all browsers (Chrome, Firefox, Safari, etc)

Node and Browser env supported WebAssembly version of fastText: Library for efficient text classification and representation learning.

Schedule and run jobs in your background script

A mocking toolkit for web-extensions leveraging the power of TypeScript to enhance your jest experience.

Unofficial utility to develop browser extensions for Twitter / X

A basic synology download station client chrome extension

A Vite plugin for developing web extensions with hot reload using web-ext

rsbuild plugin for chrome/web extension

Record your screen with **custom cursor effects** and **zoom lens** — great for tutorials, presentations, and demos.

Yeoman generator for creating cross-browser WebExtensions

Messaging Library for Web Extensions

A vite plugin for generating cross browser platform, ES module based web extensions

Effortless State Synchronization for Web Extensions

A tiny middleware for redux to share actions through BroadcastChannel API

Launch Chrome and Firefox with a web extension installed

Stealth web extension framework for intercepting and routing web requests

Setup a modern Chrome extension with one command

Web-extension Compat Data provides a way to generate and reference web-extension compatibility data in your apps or web-extensions.

A layer between web-extensions and i18n to allow for the live apply feature of the web-ext-translator.

A CLI tool to quickly scaffold Chrome extension projects with modern tooling

Streamlined web extension development

Web Extension wrapper for Aprico password manager.

ReScript bindings for Web Extensions

A simple tool to get you started on building a browser extension.

Una biblioteca para facilitar el desarrollo de extensiones de navegadores utilizando POO.

A file loader module for webpack optimized for use in web extensions

web extension page script spy