Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
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.
RemoteStorage - An open protocol for per-user storage OWN YOUR DATA