Once you have developed and deployed a Craft CMS site, you then have the issue of ongoing maintenance, and often ongoing development.
CraftCMS plugin to generate content models from JSON data.
CraftCMS Plugin to Construct Groups, Fields, Sections and Assets from JSON data. If you’re using the Atom text editor, you can download a snippet library to help speed up your writing custom models for the plugin.
mmikkel/Reasons-Craft
Supercharge your field layouts with conditionals in CraftCMS.