Learn Xamarin!

Xamarin is a Microsoft-owned San Francisco-based software company founded in May 2011 by the engineers that created Mono, Xamarin.Android (formerly Mono for Android) and Xamarin.iOS (formerly MonoTouch), which are cross-platform implementations of the Common Language Infrastructure (CLI) and Common Language Specifications (often called Microsoft .NET). With a C#-shared codebase, developers can use Xamarin tools to write native Android, iOS, and Windows apps with native user interfaces and share code across multiple platforms, including Windows and macOS. According to Xamarin, over 1.4 million developers were using Xamarin's products in 120 countries around the world as of April 2017.On February 24, 2016, Microsoft announced it had signed a definitive agreement to acquire Xamarin. == History == === Origins in Ximian and Mono === In 1999 Miguel de Icaza and Nat Friedman launched what would eventually be known as Ximian to support and develop software for de Icaza's nascent GNOME project. After Microsoft first announced their .NET Framework in June 2000, de Icaza began investigating whether a Linux version was feasible. The Mono open source project was launched on July 19, 2001. - read more on Wikipedia