Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Workshop - Learn new skills simply by doing them.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
ChalkStreet - Become a 'Better' you. Learn something new everyday.
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.
Graam - Host private lessons, meet interesting people & make money.