itthinx

This plugin integrates <a href="http://www.itthinx.com/plugins/affiliates/" rel="nofollow ugc">Affiliates</a> with <a href="http://www.ecwid.com/" rel="nofollow ugc">Ecwid</a>.
With this integration plugin, affiliates are credited with referrals automatically after a customer has made a purchase through the online store powered by Ecwid.
The plugin allows you to set a referral (commission) rate so that your affiliates get credited with a referral based on a percentage of each sale’s total net amount.
Required:
<ul>
<li>An <a href="http://www.ecwid.com/" rel="nofollow ugc">Ecwid</a> account with Order API and Instant Order Notifications API access enabled – this will not work with free accounts.</li>
<li><a href="https://wordpress.org/extend/plugins/affiliates" rel="ugc">Affiliates</a></li>
<li><a href="https://wordpress.org/extend/plugins/affiliates-ecwid-light" rel="ugc">Affiliates Ecwid Integration Light</a> (this plugin)</li>
</ul>
Optional:
<ul>
<li>The <a href="https://wordpress.org/extend/plugins/ecwid-shopping-cart/" rel="ugc">Ecwid Shopping Cart</a> plugin for WordPress</li>
</ul>
Install these, set up your shop, decide how much you want to pay your affiliates and start selling!
Feedback is welcome! 
If you need help, have problems, want to leave feedback or want to provide constructive criticism, you can leave a comment here <a href="http://www.itthinx.com/plugins/affiliates-ecwid-light" rel="nofollow ugc">Affiliates Ecwid Light plugin page</a>.
Please try to solve problems there before you rate this plugin or say it doesn’t work. There goes a lot of work into providing you with free quality plugins! Please appreciate that and help with your feedback. Thanks!
You are welcome to <a href="http://twitter.com/itthinx" rel="nofollow ugc">follow itthinx on Twitter</a> for updates on this and related plugins.

Affiliates Ecwid Light

This plugin integrates Affiliates with Ecwid.

CouponPlugin.io

Vicky Kumar

Coupon Plugin is a flexible and lightweight WordPress plugin that enables affiliate marketers and bloggers to display coupon codes and deals on their websites. Easily create attractive and responsive coupon boxes, list coupons with shortcodes, and integrate affiliate links for monetization.
Perfect for Affiliate Marketing & Bloggers:
<ul>
<li>Easily manage and display affiliate coupons.</li>
<li>Promote your affiliate deals and discount codes on your WordPress site.</li>
<li>Enhance SEO by optimizing coupon boxes for search engines.</li>
</ul>
<h3>FEATURES OF COUPON PLUGIN LITE</h3>
• 100% Responsive and Attractive Design for all devices 
• Hide Coupon Functionality to show or hide deals based on conditions 
• Store Image Functionality to display logos of coupon stores 
• Coupon Expiry Date with Time to manage the validity of deals 
• Inbuilt Affiliate Link System for tracking your earnings 
• Stylish Popular Coupon Strip to highlight trending coupons 
• List Coupons with a Shortcode for easy display anywhere 
• Categorized Coupons by Store or Category for better organization
<h3>FEATURES OF COUPON PLUGIN PRO</h3>
• List Coupons By Category with a Shortcode to group deals by category 
• List Coupons By Store with a Shortcode to display deals for specific stores 
• Affiliate Link Cloaking for better tracking and aesthetics 
• Coupon Voting to allow users to rate deals 
• Coupon Sharing on Social Media (Facebook & Twitter) 
• Coupon Popup for promotions and timed offers 
• Click to Copy Coupon feature for easy user access 
• Shortcode Grid Look for more structured display of coupons 
• Insert Shortcodes Directly from the Editor for faster management
Running a coupon website or affiliate marketing site on WordPress has never been easier or more SEO-friendly. The Coupon Plugin helps you create attractive, fully responsive, and customizable coupon boxes that not only improve user experience but also drive more affiliate sales.

Coupon Plugin

A powerful coupon plugin for affiliate marketers and bloggers to create responsive and customizable coupon and deal boxes in WordPress.

Affiliates Ecwid Light vs Coupon Plugin