The goal of this plugin is to show the “stock quantity” under each product in the shop, category and archive pages (wherever there is a loop). The code is based on this tutorial: https://businessbloomer.com/woocommerce-add-stock-quantity-on-shop-page/
Preorder for WooCommerce – Ultimate Preorders Plugin for WooCommerce.
Order Status Control for WooCommerce
Custom Order Status for WooCommerce