using System;

using System.Collections.Generic;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{   

    public class App

    {

        public int appid { get; set; }

        public string name { get; set; }

    }

​

    public class Apps

    {

        public List<App> app { get; set; }

    }

    public class Applist

    {

        public Apps apps { get; set; }

    }

    public class RootObject

    {

        public Applist applist { get; set; }

    }

    public static void Main()

    {

        string j = "{ \"applist\": { \"apps\": { \"app\": [ { \"appid\": 5, \"name\": \"Dedicated Server\" }, { \"appid\": 7, \"name\": \"Steam Client\" } ] } } }";

        RootObject ro = JsonConvert.DeserializeObject<RootObject>(j);

        Console.WriteLine(ro.applist.apps.app[0].name);

    }

}