Go Digit brings experience from working with customers to make commerce easier with Go Commerce. The original page states that Go Digit is recognised by the company behind WooCommerce.
Go Commerce is a separate legacy product page from the Building an Enterprise Ecommerce Business article. They have different source content and different URLs.
Go Commerce
A commerce solution for businesses that need to build and operate an online store on WooCommerce, informed by experience with customers and platforms used in real organisations.