AnyPresence - AnyPresence is an Enterprise Backend as a Service for mobile app development and API augmentation.
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Baqend Platform - Baqend is a Backend-as-a-Service for web and mobile apps.
AWS Amplify - JavaScript library for app development using cloud services
Backendless - Backendless is a mobile Backend as a Service (mBaaS) platform.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.