Promoter - The Most Effective Way To Engage And Learn From Customers
Dealyze - Custom Loyalty Programs for any Store (YC)
Open Loyalty for Startups - Open source stack for building customer focused products
Gvouchers - Free service to sell gift vouchers to loyal customers
HelpCrunch - HelpCrunch Live Chat: Turn prospects into customers, drive sales and improve retention with a rich toolbox combining modern live chat, in-app messenger, email marketing, CRM and marketing automation.
Voucherify - API-first Promotion Engine for promotions & loyalty.