Displays a window that lists all available EditorWindows inside the Unity Editor.

EditorWindowFinder.cs

using System;
using System.Reflection;
using System.Collections.Generic;

using UnityEditor;
using UnityEngine;


public class EditorWindowFinder : EditorWindow
{
    [NonSerialized]
    List<Type> Windows;

    [NonSerialized]
    Vector2 scrollPosition;


    [MenuItem ("Window/EditorWindowFinder")]
    static void Init () {
        EditorWindow.GetWindow<EditorWindowFinder> ("Window Finder").Show ();
    }

    void OnEnable() {
        var windowType = typeof(EditorWindow);
        Windows = new List<Type> (30);            

        foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies()) {
            foreach (var type in assembly.GetTypes ()) {
                if (windowType != type && windowType.IsAssignableFrom(type)) {
                    Windows.Add (type);
                }
            }
        }

        Windows.Sort ((a, b) => a.FullName.CompareTo (b.FullName));
    }

    void OnGUI () {
        using (var scope = new GUILayout.ScrollViewScope(scrollPosition)) {
            scrollPosition = scope.scrollPosition;

            foreach (var entry in Windows) {
                if (GUILayout.Button (entry.FullName)) {
                    EditorWindow.GetWindow(entry);
                }
            }
        }
    }

}