This responsive WordPress gallery plugin aligns your thumbnails into a justified grid using jQuery, like Flickr and Google image search. Make your galleries stand out in an eye-catching and unique new way! Replace the standard WP galleries [gallery] as [justified_image_grid] with lots of new features and options. WordPress manages the galleries and this plugin will display them.

WooCommerce PDF Invoice is the most professional and feature-rich invoicing extension which comes with premium support. For those that mean business.

Galaxy Funder is a Keep What You Raise Crowdfunding System built on top of WooCommerce and is rich in features. It is a WooCommerce Extension Plugin. Using Galaxy Funder you can run your own Crowdfunding site or add the Campaigns for Crowdfunding on top of your existing WooCommerce Shop.

Subscriptio is a WooCommerce extension that allows you to sell subscriptions. Subscriptio adds recurring payments capability to WooCommerce so you can sell products like magazine subscriptions, online memberships, e-learning packages and any other tangible or intangible products.

The Alipay Cross-Border Payment Gateway plugin for WooCommerce allows you to tap into the 1.3 billion-person Chinese market.

Offer shipping rates for your customers' orders via the Aramex shipping company.

No1: WooCommerce category accordion Plugin in the Envato Market
WooCommerce Category Accordion plugin allows you to list wooCommerce product categories and subcategories into a toggle accordion with expand /collapse option.
You can you this plugin as a widget or shortcode, This plugin highlight the current product parent category and subcategory.

The checkout field editor provides you with an interface to add, edit and remove fields shown on your WooCommerce checkout page.

First Data gateway for WooCommerce

Give downloadable products, or product variations, to your customers free of charge.

Connect your WooCommerce-powered store to Lightspeed Retail's Point of Sale system.

Add a calculator to your product pages to calculate the product quantity required by square footage and more.

WooCommerce Membership extension allows you to sell online memberships with WooCommerce and restrict access to posts and pages on your website.

WooCommerce Order Delivery makes it easy for customers to choose a delivery date for their orders during the checkout process.

Supercharge your Order Status changes. Add notes, control outbound email notifications, and store order change comments to orders in a single step.

PayPal Adaptive Payments handles payments between a sender of a payment and one or more receivers of the payment.

Allow your customers to customize products by adding input boxes, dropdowns, file uploads or checkboxes.

Import, merge, and export products and variations to and from WooCommerce using a CSV file.

Allow visitors to contact you directly from the product details page via a reCAPTCHA protected form to enquire about a product.

Allow your customers to ship individual items in a single order to multiple addresses.