Meta Box allows you to create custom fields, assign them to post types, and input them on the admin edit screen. You can create Gutenberg blocks with PHP and Views templates using Twig.

Features

Create Custom Fields
Create Custom Post Types
Create Gutenberg Blocks
Create Templates

Meta Box

With Meta Box you can create custom fields, Custom Post Types, and custom taxonomies. There are more than 47 field types and 31 plugin extensions, including front-end post submissions and custom database tables. It has the ability to create Blocks using PHP. It also has a Views extension for creating template for displaying custom fields and Custom Post Types on the front-end using code.

Meta Box is very developer focused. You can export your Custom Post Types and fields to code and put them in your child theme’s functions.php file or a plugin.