Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
AWS Amplify Admin UI - Firebase from AWS, but much better
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Bobby - Keep track of your subscriptions
AnyPresence - AnyPresence is an Enterprise Backend as a Service for mobile app development and API augmentation.
Digger - Build on AWS without having to learn it, no-code DevOps