3. MqttMinimalist and intuitive MQTT broker and client written entirely in C#
11. Xamarin MaciosBridges the worlds of .NET with the native APIs of macOS, iOS, tvOS, and watchOS.
13. FlexFlex is a flexible box layout system written in C, designed to be easy to consume from other languages
17. Xamarin AndroidXamarin.Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#
18. Java.interopJava.Interop provides open-source bindings of Java's Java Native Interface (JNI) for use with .NET managed languages such as C#
22. AndroidxAndroidX (Jetpack) bindings for Xamarin + Migration tooling
28. XamarincommunitytoolkitThe 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.
30. RivetsA C# implementation of App Links, functionally, a port of Bolts
39. UrhoCode to integrate with the Urho3D engine
50. evolve-questEvolve Quest is an iBeacon based scavenger hunt that attendees enjoyed at Evolve 2014