Ilias Gomatos

A great way to Boost Online Store Sales with this Referral Program.
This plugin allows your customers to sign up for affiliate programs and earn a reward for referring products. Full-fledged affiliate module that allows admin to change percentage of each customer or product.
You can also change the cookie duration.

Affiliate Platform

Boost Online Store Sales with this Referral Program

thomaslcq

This is a plugin to the eShop shopping cart plugin for WordPress (https://wordpress.org/extend/plugins/eshop/). 
It includes:
<ul>
<li>
PDF invoices using the excellent html2pdf library (http://html2pdf.fr/)
</li>
<li>
Customers “My Orders” view using a short code
</li>
<li>
Widget for displaying a link to the “My Orders” page
</li>
</ul>
Documentation is available via <a href="http://www.pyphp.be/" rel="nofollow ugc">PyPHP.be</a>

eShop-invoice

Invoice and Client interface plugin to the "eShop for Wordpress" plugin.

Affiliate Platform vs eShop-invoice