Ambassador - Referral Automation, Made Simple.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
Referral Candy - Run a fully automated, customizable and easy to integrate referral program for ecommerce.
Viral Loops for Startups - Virality for startups made easy 💪
Friendbuy - Customer referral program software and email opt ins for ecommerce.
Carrd - Simple, responsive one-page site creator.