Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
MongoDB Stitch - The serverless platform from MongoDB
Android Studio - Android development environment based on IntelliJ IDEA
AWS Mobile Services - Storage, Analytics, Push Notif. & SMS Delivery SDKs
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.