PureLayout.Net (nuget): PureLayout aka the ultimate iOS library for defining your UI in code behind is now available for Xamarin.iOS and Xamarin.Mac.  Based on PureLayout: 3.1.6  Fully compatible with iOS 9 and above.  Also Mac.  License: MIT
Keywords: PureLayout|Xamarin.iOS|Xamarin.Mac|nuget|purelayout|xamarin|xamarin-ios