Xamarin

Xamarin.Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#

.NET bindings for the Pytorch engine

Bridges the worlds of .NET with the native APIs of macOS, iOS, tvOS, and watchOS.

The Xamarin Community Toolkit is a collection of Animations, Behaviors, Converters, and Effects for mobile development with Xamarin.Forms. It simplifies and demonstrates common developer tasks building iOS, Android, and UWP apps with Xamarin.Forms.

Plugins for Xamarin

Java.Interop provides open-source bindings of Java's Java Native Interface (JNI) for use with .NET managed languages such as C#

AndroidX (Jetpack) bindings for Xamarin + Migration tooling