SocialCoupons. Release: Version 1.00 on March 23th, 2015.

Stimulate your website promotion in social networks.
Attract users by discount coupons.
You get an increase in ranking of your website/page in the social network, and the user gets a discount coupon.
 
Features:
1. Convenient popup window to get a discount coupon.
2. Possibility to re-click Like/G+/Tweet/Vk button is excluded.
3. You can set up % or discount amount for discount coupons.
4. Very simple and easy setup.
5. Support Facebook, Twitter, G+, Vk.com.

Note.
Each buyer can get a discount coupon for one social network only once. The buyer can get one coupon for Facebook, one for G+ and one for Twitter.
 
Unregistered version is fully operational and has only one restriction – you can generate only 10 discount coupons.

Compatible with NopCommerce 2.80, 3.00, 3.10, 3.20, 3.30, 3.40, 3.50.