# Overview
It's useful to know the following technologies to develop content in eWizard.js:
HTML
CSS
JavaScript
Vue.js
As the eWizard.js framework is based on the Vue.js framework, you can also refer to their documentation (opens new window).
This section provides the general principles for developing items with eWizard.js and eWizard CLI. These principles apply for all item types: e-Detailers, emails, sites, etc.