How to get all EditorWindow types in Unity

_CheckTool.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using System.IO;
using System.Text;

public class CheckTool {

    [MenuItem("CheckTool/Check")]
    public static void Check()
    {
        var result = GetUnityTypes.GetEditorWindowTypes();
        StringBuilder sb = new StringBuilder();
        foreach (var type in result)
        {
            sb.AppendLine(type.ToString());
        }
        Write(sb.ToString());
    }

    private static void Write(string output)
    {
        StreamWriter writer = new StreamWriter("Assets/result.txt", false);
        writer.Flush();
        writer.Write(output);
        writer.Close();
    }
}

_result.txt

UnityEditor.Android.AndroidKeystoreWindow
UnityEditor.Graphs.AnimatorControllerTool
UnityEditor.Graphs.LayerSettingsWindow
UnityEditor.Graphs.ParameterControllerEditor
UnityEditor.Graphs.AnimationStateMachine.AddStateMachineBehaviourComponentWindow
UnityEditor.Timeline.TimelineWindow
UnityEditor.TestTools.TestRunner.TestRunnerWindow
Unity.PackageManager.UI.Window
TMPro.PackageResourceImporterWindow
UnityEditor.PackageManager.UI.PackageManagerWindow
TMPro.TMP_ProjectConversionUtility
TMPro.TMP_SpriteAssetImporter
TMPro.EditorUtilities.TMPro_FontAssetCreatorWindow
UnityEditor.Experimental.UIElements.GraphView.SearchWindow
UnityEditor.LicenseManagementWindow
UnityEditor.Presets.PresetSelector
UnityEditor.ProfilerIPWindow
UnityEditor.ProfilerWindow
UnityEditor.UISystemPreviewWindow
UnityEditor.SketchUpImportDlg
UnityEditor.GridPaintPaletteWindow
UnityEditor.GridPaletteAddPopup
UnityEditor.UIAutomation.TestEditorWindow
UnityEditor.Experimental.UIElements.Debugger.PanelPickerWindow
UnityEditor.Experimental.UIElements.Debugger.UIElementsDebugger
UnityEditor.BuildPlayerWindow
UnityEditor.ConsoleWindow
UnityEditor.IconSelector
UnityEditor.ObjectSelector
UnityEditor.ProjectBrowser
UnityEditor.ProjectTemplateWindow
UnityEditor.RagdollBuilder
UnityEditor.SceneHierarchySortingWindow
UnityEditor.SceneHierarchyWindow
UnityEditor.ScriptableWizard
UnityEditorInternal.AddCurvesPopup
UnityEditor.AnimationWindow
UnityEditor.CurveEditorWindow
UnityEditor.MinMaxCurveEditorWindow
UnityEditor.AnnotationWindow
UnityEditor.LayerVisibilityWindow
UnityEditor.AssetStoreInstaBuyWindow
UnityEditor.AssetStoreLoginWindow
UnityEditor.AssetStoreWindow
UnityEditor.AudioMixerWindow
UnityEditor.Collaboration.CollabPublishDialog
UnityEditor.Collaboration.CollabCannotPublishDialog
UnityEditor.CollabHistoryWindow
UnityEditor.CollabToolbarWindow
UnityEditor.GameView
UnityEditor.AboutWindow
UnityEditor.AssetSaveDialog
UnityEditor.BumpMapSettingsFixingWindow
UnityEditor.ColorPicker
UnityEditor.EditorUpdateWindow
UnityEditor.FallbackEditorWindow
UnityEditor.GradientPicker
UnityEditor.PackageExport
UnityEditor.PackageImport
UnityEditor.PopupWindow
UnityEditor.PopupWindowWithoutFocus
UnityEditor.PragmaFixingWindow
UnityEditor.SaveWindowLayout
UnityEditor.DeleteWindowLayout
UnityEditor.SnapSettings
UnityEditor.TreeViewExamples.TreeViewTestWindow
UnityEditor.GUIViewDebuggerWindow
UnityEditor.InspectorWindow
UnityEditor.PreviewWindow
UnityEditor.AddShaderVariantWindow
UnityEditor.AddComponentWindow
UnityEditor.AdvancedDropdownWindow
UnityEditor.LookDevView
UnityEditor.ParticleSystemWindow
UnityEngine.XR.WSA.HolographicEmulationWindow
UnityEditor.FrameDebuggerWindow
UnityEditor.PreferencesWindow
UnityEditor.SearchableEditorWindow
UnityEditor.LightingExplorerWindow
UnityEditor.LightingWindow
UnityEditor.NavMeshEditorWindow
UnityEditor.OcclusionCullingWindow
UnityEditor.PhysicsDebugWindow
UnityEditor.TierSettingsWindow
UnityEditor.SceneView
UnityEditorInternal.SpriteEditorMenu
UnityEditor.SpriteEditorWindow
UnityEditor.Sprites.PackerWindow
UnityEditor.SpriteUtilityWindow
UnityEditor.TerrainSplatEditor
UnityEditor.TerrainWizard
UnityEditor.ImportRawHeightmap
UnityEditor.ExportRawHeightmap
UnityEditor.TreeWizard
UnityEditor.DetailMeshWizard
UnityEditor.DetailTextureWizard
UnityEditor.PlaceTreeWizard
UnityEditor.FlattenHeightmap
TroubleshooterWindow
UnityEditor.UndoWindow
UnityEditor.Connect.UnityConnectConsentView
UnityEditor.Connect.UnityConnectEditorWindow
UnityEditor.MetroCertificatePasswordWindow
UnityEditor.MetroCreateTestCertificateWindow
UnityEditor.VersionControl.WindowChange
UnityEditor.VersionControl.WindowCheckoutFailure
UnityEditor.VersionControl.WindowPending
UnityEditor.VersionControl.WindowResolve
UnityEditor.VersionControl.WindowRevert
UnityEditor.Web.WebViewEditorStaticWindow
UnityEditor.Web.WebViewEditorWindow
UnityEditor.Web.WebViewEditorWindowTabs

GetUnityTypes.cs

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

public static class GetUnityTypes
{
    public static List<Type> GetEditorWindowTypes()
    {
        var result = GetSubClassTypes<EditorWindow>();
        return result;
    }

    public static List<Type> GetSubClassTypes<BaseType>()
    {
        var result = new List<Type>();
        Assembly[] assemblies = System.AppDomain.CurrentDomain.GetAssemblies();
        Type editorWindowType = typeof(BaseType);
        foreach (var assembly in assemblies)
        {
            Type[] types = assembly.GetTypes();
            foreach (var type in types)
            {
                if (type.IsSubclassOf(editorWindowType))
                {
                    result.Add(type);
                }
            }
        }
        return result;
    }
}