This plugin allows you to integrate CheerMe Loyalty Program in your website

Bulk generate dynamic coupons, select between fixed discount, precentage discount, discount on specific products and free product coupons.

Aktuelle Gutscheine in Ihrem WordPress-Blog - Gutscheinfeed.com Plugin coupons for your website (currently only german online shops).

Woocommerce coupon section extension for adding coupon for special attributes and tags. Also, you can categorized the coupons.

A powerful texting plugin for WordPress

Provides coupons and deals functionality for wordpress site.

The official IntellaSoft Coupon WordPress plugin.