The Dev Hub consists of a number of tools. The tools available to you are visible from the Dev Hub start page.
The Single configurator is a Qlik Sense tool that provides an easy way of creating simple mashup pages without having to write any code. It returns a Qlik Sense object, which is identified in a URL. The Qlik Sense object is, typically, a visualization from an app, for example a line chart.
Engine API explorer
The Engine API Explorer is a tool that helps you understand the Engine API. It passes information between the Qlik Associative Engine and clients.
The QlikView converter tool supports the conversion of QlikView documents (.qvw files) to Qlik Sense apps.