Dev Hub Build a widget Use the Widget editor to create your first widget. Edit an existing widget from the example widget library (included in your Qlik Sense installation). Build an extension Use the Extension editor to create your first visualization extension based on an example, or create one from scratch. Build a mashup Create a mashup web page from scratch. Learn how to create your own mashup templates. Launching Dev Hub You launch Dev Hub, in a browser window, from Qlik Sense or Qlik Sense Desktop. Dev Hub requirements and assumptions These assumptions apply for building widgets, visualization extensions and mashups. Dev Hub tools Use these tools and editors to create widgets, extensions and mashups: Extensions editor Mashups editor Single configurator Engine API explorer Widget editor Examples and templates Dev Hub comes with a number of examples and templates that you can use when building visualization extensions or mashups.ExamplesTemplates Recommendation It is recommended to create widgets, extensions and mashups on a dedicated development node.