scriptcs - scriptcs makes it easy to write and execute C# with a simple text editor.
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Ecere SDK - A cross-platform Software Development Kit including a GUI toolkit, a 2D/3D graphics engine, a...
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
Eclipse - Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
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.