Alternatives and similar repositories for webextensions:

Users that are interested in webextensions are comparing it to the libraries listed below

• mozilla / standards-positions
  ☆674Updated this week
• mozilla / addons-linter
  🔍 Firefox Add-ons linter, written in JavaScript. 👁
  ☆332Updated this week
• GoogleChromeLabs / extension-update-testing-tool
  Tool for testing the update flow for Chrome Extensions during development, including permission grants.
  ☆194Updated 4 months ago
• webextension-toolbox / webextension-toolbox
  Small CLI toolbox for cross-browser WebExtension development
  ☆755Updated this week
• fregante / browser-extension-template
  📕 Barebones boilerplate with Parcel 2, options handler and auto-publishing
  ☆805Updated 2 months ago
• WICG / ua-client-hints
  Wouldn't it be nice if `User-Agent` was a (set of) client hints?
  ☆601Updated 4 months ago
• GoogleChromeLabs / link-to-text-fragment
  Browser extension that allows for linking to arbitrary text fragments.
  ☆429Updated 2 months ago
• mdn / yari
  The platform code behind MDN Web Docs
  ☆1,234Updated last week
• mozilla / webextension-polyfill
  A lightweight polyfill library for Promise-based WebExtension APIs in Chrome
  ☆2,873Updated this week
• web-platform-tests / interop
  web-platform-tests Interop project
  ☆387Updated 2 months ago
• hiikezoe / web-ext-webpack-plugin
  A webpack plugin for web-ext
  ☆81Updated last month
• mozilla / web-ext
  A command line tool to help build, run, and test web extensions
  ☆2,852Updated last week
• GoogleChromeLabs / extension-manifest-converter
  ☆175Updated 2 years ago
• w3ctag / design-reviews
  W3C specs and API reviews
  ☆339Updated last month
• MicrosoftEdge / MSEdgeExplainers
  Home for explainer documents originated by the Microsoft Edge team
  ☆1,345Updated this week
• WICG / isolated-web-apps
  Repository for explainers and other documents related to the Isolated Web Apps proposal.
  ☆240Updated 2 months ago
• MobileFirstLLC / extension-cli
  Command line tool for building extensions/add-ons for chromium based browsers.
  ☆179Updated last month
• WebKit / standards-positions
  WebKit's positions on emerging web specifications
  ☆273Updated last month
• glandium / git-cinnabar
  git remote helper to interact with mercurial repositories
  ☆305Updated last week
• extend-chrome / jest-chrome
  A complete mock of the Chrome API for Chrome extensions for use with Jest.
  ☆130Updated last year
• Rob--W / crxviewer
  Add-on / web app to view the source code of Chrome / Firefox / Opera 15 extensions and zip files.
  ☆1,525Updated 4 months ago
• mdn / data
  This repository contains general data for Web technologies
  ☆742Updated last week
• mozilla / sign-addon
  Sign a Firefox add-on with Mozilla's web service
  ☆71Updated last year
• WebKit / explainers
  Explainers from WebKit contributors
  ☆380Updated 10 months ago
• mozilla / side-view
  An experiment with opening mobile views of pages in the sidebar
  ☆202Updated 6 months ago
• w3c / browser-specs
  A machine-readable list of Web specifications
  ☆261Updated this week
• mozilla / addons
  ☂ Umbrella repository for Mozilla Addons ✨
  ☆127Updated last week
• WICG / trust-token-api
  Trust Token API
  ☆433Updated 5 months ago
• rubenspgcavalcante / webpack-extension-reloader
  A upgrade from 🔥webpack-chrome-extension-reloader🔥, now on all browsers
  ☆495Updated 2 years ago
• webcompat / webcompat.com
  Source code for webcompat.com
  ☆380Updated last year