OpenContent let you create forms for Content, settings and Additional Data.
Each form is defined in 2 json files (scema and options) like AlpacaJs framework.
From version 3.0 of OpenContent a form Builder can generate this 2 files visually with an instant preview.
The form builder don't support all features of AlpacaJs.
The Form Builder can be activated from each schema file in Edit Template Files.
The activate Builder button, recreate (partally) the form in the builder.
You can go back by deleting manually the correponding builder.json file.
Updated less than a minute ago