This vQmod integrates opencart with the incredibly power Zaius Analytics platform.

"Imagine marketing automation, analytics, and CRM software brought together in one dream B2C marketing platform. Zaius combines a single customer view, real-time, multi-channel marketing automation, and cross-channel attribution, empowering marketers to drive more repeat purchases and maximize customer lifetime revenue. It’s the first CRM built specifically for B2C marketers.

Quite simply, no other B2C marketing platform empowers marketers to grow revenue from existing customers like Zaius does. Zaius is flexible enough to supercharge your existing marketing stack or act as a standalone platform. We empower marketers with ownership of customer data and analytics, freeing them from dependence on IT. And by the way, our average customers are fully integrated in under four minutes and see positive ROI within three months."

- http://www.zaius.com