by Xamarin - Product Type: Component / Application
Xamarin is available in three editions:
Xamarin.iOS - Develop iPhone and iPad apps in C#, using Xamarin Studio or Visual Studio.
Xamarin.Android - Develop Android phone and tablet apps in C#, using Xamarin Studio or Visual Studio.
Xamarin.Mac - Quickly build and deploy native Mac apps in C#. Expand your app reach to 66 million Macs and reach new users through the Mac App Store.
Xamarin.iOS for Mac
Mac OS 10.7 (“Lion”) and Mac OS 10.8 (“Mountain Lion”). Xamarin.iOS requires the iOS 5 SDK bundled with Xcode 4.5.
Xamarin.iOS for Windows
Windows 7 or Windows 8 with Visual Studio 2010 Professional (or higher) or Visual Studio 2012 Professional (or higher).