Microsoft Visual Studio
Microsoft IDE for building mobile, desktop and web applications.
Visual Studio Community for Windows (formerly Visual Studio Express) is a fully-featured, extensible, free IDE for creating modern applications for Android, iOS, Windows, as well as web applications and cloud services.
Visual Studio for Mac builds apps for Android, iOS and macOS through the Xamarin and .NET Core frameworks.
Visual Studio Community
Download for Windows
Visual Studio for Mac
Download for Mac