ia-labelledby="toc_what-are-engines">
<p><a href="http://ember-engines.com/">Ember Engines</a> allow multiple logical applications to be composed together into a single application from the user's perspective, that provide functionality to their host applications. Engines are isolated, <code>composable applications</code>, they have almost all the same features as normal Ember applications, except an <a href="https://api.emberjs.com/ember/4.7.0/classes/Engine">Engine</a> requires a host application to boot 