Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Kumulos - Made for the business of mobile app development, Kumulos helps you manage the commercial and technical performance of Apps, so you drive a better outcome for your clients.
AnyPresence - AnyPresence is an Enterprise Backend as a Service for mobile app development and API augmentation.
AWS Mobile Services - Storage, Analytics, Push Notif. & SMS Delivery SDKs
Back4App - Low code backend to build apps faster and scale easily.