Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
Lotame - Make your data actionable, learn about your most valuable customers, improve ROI by targeting the right audience and increase relevance across screens.
MikMak - Infomercials that aren't boring and are on your phone!
Adobe Audience Manager - Adobe Audience Manager is a data management platform that integrates online and offline data to deliver a unified view of all your audiences
Netsuite SuiteCommerce - NetSuite SuiteCommerce enables B2C and B2B businesses to manage customer interactions through a cloud eCommerce platform.
Google Audience Center - 3 votes and 6 comments so far on Reddit