XamSvg is among these components, it is one of the first supporting both Xamarin.Forms (as a XAML tag or in code) and iOS 64 bits Unified Api.
As a free bonus, it also contains Windows Phone 8.1 support !!
And of course always will full source code.
Give it a try (*) or download the full version here https://components.xamarin.com/view/xamsvg
Note that you may request access to our private nuget server if you prefer to use a nuget instead. Just drop us a ticket here.
Happy coding !
Je suis Charlie Freedom always win
(*) because of technical contrains, the free demo version contains only Android support