Onboarded - User Onboarding as a Service
Startup Stash - A curated directory of 400 resources & tools for startups
RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.
Freebie.Supply - Awesome free things for entrepreneurs & startups
PriceCute - Keep up with your competition's pricing on Amazon
Stacks - A bookshelf for your online courses