Its free extension for Opencart.
The module is installed by OCMODE installer and have some interesting features:
- Popup window with thanks message.
- Subscribe processing by Ajax.
- You can added heading custom text.
- You can added description custom text.
- You can added message success custom text.
- You change styles of buttons and email field .
- It is support just one language and one subscribe form per page.

for OpenCart :
-OC 2.2.X.X

SIMPLE DEMO
{Subscribe module demo}


If you like this extension please vote for it by clicking at star rating above. Or donate 1 dollar - its more pleasant for me, because I'm earning just 5 dollars per working day
{Donate by webmoney}


You can learn more about me in my website: {Andrey Derevjanko website}