MetaBench

Show post metadata (aka custom fields) in a metabox when editing posts / pages - a great tool for debugging issues with post metadata.

Add extra product options on your WooCommerce product page. Product addons for all product variations. 20 free product addons.

A must have tool for creating custom fields, custom post types and taxonomies, fast and without any programming knowledge.

Easily add a range of custom fields to WooCommerce products, from text boxes to date selectors, allowing customers to personalize their orders.

The Custom Field Template plugin extends the functionality of custom fields.

Registers custom post types and custom fields for the Sydney theme