JSPM

Create cross-browser extensions with no build configuration.

A tool for deploying WebExtensions to multiple stores.

A modern scaffolding tool for creating browser extensions with ease

A NodeJS-based small native client that helps browser extensions to communicate with your operating system.

A boilerplate template for building cross browser extensions (Chrome and Firefox).

`socketio-test-client` is a devtool to test Socket.IO-based API.

A command-line tool for downloading browser extensions. Supports Chrome, Firefox, Edge, Opera, and Thunderbird extensions.

Unified database API for web extensions across Chrome, Firefox, and Safari with SQLite and JSON storage providers

A tool for deploying WebExtensions to multiple stores.

WebExtension that adds extra functionalities to WhatsApp Web™️