Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
The App Brewery - Turn your app idea into reality.
Progate - Progate is an online platform to learn programming.
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.
Laracasts - Laracasts is the PHP and Laravel screencasts on the web.
Appyet - Create stunning Android apps.