There are at least two such libraries for C# - XWT [1] and Xamarin [2] which AFAIR is based on XWT. [1] https://github.com/mono/xwt https://github.com/mono/xwt

There are at least two such libraries for C# - XWT [1] and Xamarin [2] which AFAIR is based on XWT. [1] https://github.com/mono/xwt https://github.com/mono/xwt [2] http://xamarin.com/platform http://xamarin.com/platform