Deco

Declarative and component based UI library for C#

public class App : Component {
    private readonly State<int> _count = 0;

    public override IView Render() =>
        new VStack {
            new HStack {
                new Button(" - ", () => _count.Value--),
                new Button(" + ", () => _count.Value++)
            },
            new Text($"Count: {_count.Value}")
        };
}

Deco uses the MVU pattern known from Elm and React, and is built on the idea that "UI is a function of state".

Rendering architecture is heavily inspired by Comet.