NirWeb support is a great help desk and support plugin for WordPress with full support of WooCommerce

Easily connect a WordPress site to your help desk, powered by RhinoSupport.com. Instantly embed support ticket forms with a simple shortcode.

Aistore Support Ticket is a plugin which allow visitores to sell their digital products from your woo commerce store.

Support Genix is a support ticket system, Support Tickets Managing System, Online Customer Support Ticketing, Support Ticket management, and Helpdesk Plugin for a WordPress site. Users may now create tickets and get help right from your WordPress site.