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@webext-core/isolated-element
Isolate content script UI's styles from the parent page. Supports all browsers (Chrome, Firefox, Safari)
@webext-core/match-patterns
Utilities for working with match patterns.
@webext-core/fake-browser
An in-memory implementation of webextension-polyfill for testing. Supports all test frameworks (Vitest, Jest, etc)
@webext-core/messaging
Light weight, type-safe wrapper around the web extension messaging APIs. Supports all browsers (Chrome, Firefox, Safari)
vite-plugin-web-extension

@webext-core/proxy-service
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)
fasttext.wasm.js
Node and Browser env supported WebAssembly version of fastText: Library for efficient text classification and representation learning.
@webext-core/storage
A type-safe, localStorage-esk wrapper around the web extension storage APIs. Supports all browsers (Chrome, Firefox, Safari, etc)
mockzilla-webextension
A mocking toolkit for web-extensions leveraging the power of TypeScript to enhance your jest experience.
twi-ext
Unofficial utility to develop browser extensions for Twitter / X
@webext-core/job-scheduler
Schedule and run jobs in your background script
crann
Effortless State Synchronization for Web Extensions
porter-source
Messaging Library for Web Extensions
@dvcol/synology-extension
A basic synology download station client chrome extension
vite-plugin-webext
A vite plugin for generating cross browser platform, ES module based web extensions
@thunderbirdops/webext-compat-data
Web-extension Compat Data provides a way to generate and reference web-extension compatibility data in your apps or web-extensions.
rsbuild-plugin-web-extension
rsbuild plugin for chrome/web extension
wet-layer
A layer between web-extensions and i18n to allow for the live apply feature of the web-ext-translator.
generator-web-extension
Yeoman generator for creating cross-browser WebExtensions
rescript-webext
ReScript bindings for Web Extensions