Custom Login Page Customizer by Colorlib – WordPress Plugin

https://wordpress.org/plugins/allow-only-1-product-in-cart-for-woocommerce/

https://wordpress.org/plugins/product-quantity-for-woocommerce/

https://wordpress.org/plugins/popup-builder/

https://wordpress.org/plugins/insert-headers-and-footers/

https://wordpress.org/plugins/woocommerce-pay-per-post/

https://wordpress.org/plugins/filter-everything/