Automattic

WooCommerce

SomewhereWarm

Manos (a11n)

Chris Lilitsas (a11n)

Free add-on for the official <a href="https://woocommerce.com/products/gift-cards/" rel="nofollow ugc">WooCommerce Gift Cards</a> extension that allows you to use the default coupon form to apply and redeem gift cards.
After activating the plugin, the “Have a Gift Card?” form will be hidden, and customers will be able to apply gift card codes using the coupon input field.
Note: This plugin has been created to validate and refine a feature that may be rolled into WooCommerce Gift Cards — or dropped! — in the future.
Important: This plugin is not compatible with the Cart and Checkout Blocks.
Important: The code in this plugin is provided “as is”. Support via the WordPress.org forum is provided on a voluntary basis only. If you have an active subscription for WooCommerce Gift Cards, please be aware that WooCommerce Support may not be able to assist you with this experimental plugin.

Gift Cards – Coupon Input

Free mini-extension for WooCommerce Gift Cards that allows you to use the default coupon form to apply and redeem gift cards.

AMP-MODE

Scott DeLuzio

If you sell a product through your WooCommerce store that requires you to collect some additional information from your customers before they complete their purchase, this plugin is exactly what you need.
Pro Version Now Available 
<a href="https://conditionalcheckoutfields.com/downloads/conditional-woo-checkout-field-pro/" rel="nofollow ugc">Update to Pro</a> to get even more features.
<ul>
<li>Display an unlimited number of custom conditional fields at checkout (free version only allows one).</li>
<li>Display each conditional field on an unlimited number of products, product variations, or categories of products (free version only allows the field to display for one product).</li>
<li>Increased variety of available input fields including: Text box, multi-line text area, drop-down/select menu, country list, state list, check boxes, password, radio buttons, and date picker.</li>
<li>Bonus: Easily edit any of the default WooCommerce checkout fields without having to edit any code.</li>
</ul>
Get the pro version by <a href="https://conditionalcheckoutfields.com/downloads/conditional-woo-checkout-field-pro/" rel="nofollow ugc">clicking here</a>.
This plugin lets you configure an additional field to be displayed at checkout for your customer to fill out provided a certain product is in the customer’s cart.
The plugin allows you to customize this additional field’s
<ul>
<li>Title</li>
<li>Input type (text box, text area, or select/drop down menu)</li>
<li>Label</li>
<li>Placeholder text</li>
<li>CSS Class</li>
<li>Whether or not the field is required (and the error message to display if it is required but not filled out)</li>
<li>Whether or not to add the customer’s input to the order email or invoice</li>
</ul>
This plugin requires your site to have WooCommerce installed in order to work. It is not compatible with other e-commerce plugins.

Conditional WooCommerce Checkout Field

Display a custom field at checkout in your WooCommerce store if a certain product is in the customer's cart.

Gift Cards – Coupon Input vs Conditional WooCommerce Checkout Field