StdLib - Discover pre-built APIs, compose your own and build apps
Gomix - The easiest way to build the app or bot of your dreams
Glitch - Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.
YveBot - Smart rule-based bot. For Browser & Node.
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.
Init.ai - Init.ai is the simplest way to build, train, and deploy intelligent conversational apps