diff --git a/arduino-ide-extension/src/browser/contributions/board-selection.ts b/arduino-ide-extension/src/browser/contributions/board-selection.ts
index 57a7dc01..3373e20c 100644
--- a/arduino-ide-extension/src/browser/contributions/board-selection.ts
+++ b/arduino-ide-extension/src/browser/contributions/board-selection.ts
@@ -2,12 +2,13 @@ import { inject, injectable } from 'inversify';
 import { remote } from 'electron';
 import { MenuModelRegistry } from '@theia/core/lib/common/menu';
 import { DisposableCollection, Disposable } from '@theia/core/lib/common/disposable';
+import { firstToUpperCase } from '../../common/utils';
 import { BoardsConfig } from '../boards/boards-config';
 import { MainMenuManager } from '../../common/main-menu-manager';
 import { BoardsListWidget } from '../boards/boards-list-widget';
 import { NotificationCenter } from '../notification-center';
 import { BoardsServiceProvider } from '../boards/boards-service-provider';
-import { ArduinoMenus, unregisterSubmenu } from '../menu/arduino-menus';
+import { ArduinoMenus, PlaceholderMenuNode, unregisterSubmenu } from '../menu/arduino-menus';
 import { BoardsService, InstalledBoardWithPackage, AvailablePorts, Port } from '../../common/protocol';
 import { SketchContribution, Command, CommandRegistry } from './contribution';
 
@@ -150,39 +151,61 @@ PID: ${PID}`;
         }
 
         // Installed ports
-        for (const address of Object.keys(availablePorts)) {
-            if (!!availablePorts[address]) {
-                const [port, boards] = availablePorts[address];
-                if (!boards.length) {
-                    boards.push({
-                        name: ''
-                    });
-                }
-                for (const { name, fqbn } of boards) {
-                    const id = `arduino-select-port--${address}${fqbn ? `--${fqbn}` : ''}`;
-                    const command = { id };
-                    const handler = {
-                        execute: () => {
-                            if (!Port.equals(port, this.boardsServiceProvider.boardsConfig.selectedPort)) {
-                                this.boardsServiceProvider.boardsConfig = {
-                                    selectedBoard: this.boardsServiceProvider.boardsConfig.selectedBoard,
-                                    selectedPort: port
+        const registerPorts = (ports: AvailablePorts) => {
+            const addresses = Object.keys(ports);
+            if (!addresses.length) {
+                return;
+            }
+
+            // Register placeholder for protocol
+            const [port] = ports[addresses[0]];
+            const protocol = port.protocol;
+            const menuPath = [...portsSubmenuPath, protocol];
+            const placeholder = new PlaceholderMenuNode(menuPath, `${firstToUpperCase(port.protocol)} ports`);
+            this.menuModelRegistry.registerMenuNode(menuPath, placeholder);
+            this.toDisposeBeforeMenuRebuild.push(Disposable.create(() => this.menuModelRegistry.unregisterMenuNode(placeholder.id)));
+
+            for (const address of addresses) {
+                if (!!ports[address]) {
+                    const [port, boards] = ports[address];
+                    if (!boards.length) {
+                        boards.push({
+                            name: ''
+                        });
+                    }
+                    for (const { name, fqbn } of boards) {
+                        const id = `arduino-select-port--${address}${fqbn ? `--${fqbn}` : ''}`;
+                        const command = { id };
+                        const handler = {
+                            execute: () => {
+                                if (!Port.equals(port, this.boardsServiceProvider.boardsConfig.selectedPort)) {
+                                    this.boardsServiceProvider.boardsConfig = {
+                                        selectedBoard: this.boardsServiceProvider.boardsConfig.selectedBoard,
+                                        selectedPort: port
+                                    }
                                 }
-                            }
-                        },
-                        isToggled: () => Port.equals(port, this.boardsServiceProvider.boardsConfig.selectedPort)
-                    };
-                    const menuAction = {
-                        commandId: id,
-                        label: `${address}${name ? ` (${name})` : ''}`
-                    };
-                    this.commandRegistry.registerCommand(command, handler);
-                    this.toDisposeBeforeMenuRebuild.push(Disposable.create(() => this.commandRegistry.unregisterCommand(command)));
-                    this.menuModelRegistry.registerMenuAction(portsSubmenuPath, menuAction);
+                            },
+                            isToggled: () => Port.equals(port, this.boardsServiceProvider.boardsConfig.selectedPort)
+                        };
+                        const label = `${address}${name ? ` (${name})` : ''}`;
+                        const menuAction = {
+                            commandId: id,
+                            label,
+                            order: `1${label}` // `1` comes after the placeholder which has order `0`
+                        };
+                        this.commandRegistry.registerCommand(command, handler);
+                        this.toDisposeBeforeMenuRebuild.push(Disposable.create(() => this.commandRegistry.unregisterCommand(command)));
+                        this.menuModelRegistry.registerMenuAction(menuPath, menuAction);
+                    }
                 }
             }
         }
 
+        const { serial, network, unknown } = AvailablePorts.groupByProtocol(availablePorts);
+        registerPorts(serial);
+        registerPorts(network);
+        registerPorts(unknown);
+
         this.mainMenuManager.update();
     }
 
diff --git a/arduino-ide-extension/src/browser/contributions/examples.ts b/arduino-ide-extension/src/browser/contributions/examples.ts
index 960bc231..4b1d5f1a 100644
--- a/arduino-ide-extension/src/browser/contributions/examples.ts
+++ b/arduino-ide-extension/src/browser/contributions/examples.ts
@@ -3,12 +3,13 @@ import { inject, injectable, postConstruct } from 'inversify';
 import { MenuPath, CompositeMenuNode } from '@theia/core/lib/common/menu';
 import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
 import { OpenSketch } from './open-sketch';
-import { ArduinoMenus } from '../menu/arduino-menus';
+import { ArduinoMenus, PlaceholderMenuNode } from '../menu/arduino-menus';
 import { MainMenuManager } from '../../common/main-menu-manager';
 import { BoardsServiceProvider } from '../boards/boards-service-provider';
 import { ExamplesService, ExampleContainer } from '../../common/protocol/examples-service';
 import { SketchContribution, CommandRegistry, MenuModelRegistry } from './contribution';
 import { NotificationCenter } from '../notification-center';
+import { Board } from '../../common/protocol';
 
 @injectable()
 export abstract class Examples extends SketchContribution {
@@ -32,10 +33,10 @@ export abstract class Examples extends SketchContribution {
 
     @postConstruct()
     init(): void {
-        this.boardsServiceClient.onBoardsConfigChanged(({ selectedBoard }) => this.handleBoardChanged(selectedBoard?.fqbn));
+        this.boardsServiceClient.onBoardsConfigChanged(({ selectedBoard }) => this.handleBoardChanged(selectedBoard));
     }
 
-    protected handleBoardChanged(fqbn: string | undefined): void {
+    protected handleBoardChanged(board: Board | undefined): void {
         // NOOP
     }
 
@@ -58,27 +59,33 @@ export abstract class Examples extends SketchContribution {
     }
 
     registerRecursively(
-        exampleContainer: ExampleContainer,
+        exampleContainerOrPlaceholder: ExampleContainer | string,
         menuPath: MenuPath,
         pushToDispose: DisposableCollection = new DisposableCollection()): void {
 
-        const { label, sketches, children } = exampleContainer;
-        const submenuPath = [...menuPath, label];
-        this.menuRegistry.registerSubmenu(submenuPath, label);
-        children.forEach(child => this.registerRecursively(child, submenuPath, pushToDispose));
-        for (const sketch of sketches) {
-            const { uri } = sketch;
-            const commandId = `arduino-open-example-${submenuPath.join(':')}--${uri}`;
-            const command = { id: commandId };
-            const handler = {
-                execute: async () => {
-                    const sketch = await this.sketchService.cloneExample(uri);
-                    this.commandService.executeCommand(OpenSketch.Commands.OPEN_SKETCH.id, sketch);
-                }
-            };
-            pushToDispose.push(this.commandRegistry.registerCommand(command, handler));
-            this.menuRegistry.registerMenuAction(submenuPath, { commandId, label: sketch.name });
-            pushToDispose.push(Disposable.create(() => this.menuRegistry.unregisterMenuAction(command)));
+        if (typeof exampleContainerOrPlaceholder === 'string') {
+            const placeholder = new PlaceholderMenuNode(menuPath, exampleContainerOrPlaceholder);
+            this.menuRegistry.registerMenuNode(menuPath, placeholder);
+            pushToDispose.push(Disposable.create(() => this.menuRegistry.unregisterMenuNode(placeholder.id)));
+        } else {
+            const { label, sketches, children } = exampleContainerOrPlaceholder;
+            const submenuPath = [...menuPath, label];
+            this.menuRegistry.registerSubmenu(submenuPath, label);
+            children.forEach(child => this.registerRecursively(child, submenuPath, pushToDispose));
+            for (const sketch of sketches) {
+                const { uri } = sketch;
+                const commandId = `arduino-open-example-${submenuPath.join(':')}--${uri}`;
+                const command = { id: commandId };
+                const handler = {
+                    execute: async () => {
+                        const sketch = await this.sketchService.cloneExample(uri);
+                        this.commandService.executeCommand(OpenSketch.Commands.OPEN_SKETCH.id, sketch);
+                    }
+                };
+                pushToDispose.push(this.commandRegistry.registerCommand(command, handler));
+                this.menuRegistry.registerMenuAction(submenuPath, { commandId, label: sketch.name });
+                pushToDispose.push(Disposable.create(() => this.menuRegistry.unregisterMenuAction(command)));
+            }
         }
     }
 
@@ -101,10 +108,12 @@ export class BuiltInExamples extends Examples {
             return;
         }
         this.toDispose.dispose();
-        for (const container of exampleContainers) {
+        for (const container of ['Built-in examples', ...exampleContainers]) {
             this.registerRecursively(container, ArduinoMenus.EXAMPLES__BUILT_IN_GROUP, this.toDispose);
         }
         this.menuManager.update();
+        // TODO: remove
+        console.log(typeof this.menuRegistry);
     }
 
 }
@@ -123,17 +132,27 @@ export class LibraryExamples extends Examples {
         this.notificationCenter.onLibraryUninstalled(() => this.register());
     }
 
-    protected handleBoardChanged(fqbn: string | undefined): void {
-        this.register(fqbn);
+    protected handleBoardChanged(board: Board | undefined): void {
+        this.register(board);
     }
 
-    protected async register(fqbn: string | undefined = this.boardsServiceClient.boardsConfig.selectedBoard?.fqbn) {
+    protected async register(board: Board | undefined = this.boardsServiceClient.boardsConfig.selectedBoard) {
         return this.queue.add(async () => {
             this.toDispose.dispose();
-            if (!fqbn) {
+            if (!board || !board.fqbn) {
                 return;
             }
+            const { fqbn, name } = board;
             const { user, current, any } = await this.examplesService.installed({ fqbn });
+            if (user.length) {
+                (user as any).unshift('Examples from Custom Libraries');
+            }
+            if (current.length) {
+                (current as any).unshift(`Examples for ${name}`);
+            }
+            if (any.length) {
+                (any as any).unshift('Examples for any board');
+            }
             for (const container of user) {
                 this.registerRecursively(container, ArduinoMenus.EXAMPLES__USER_LIBS_GROUP, this.toDispose);
             }
diff --git a/arduino-ide-extension/src/browser/contributions/include-library.ts b/arduino-ide-extension/src/browser/contributions/include-library.ts
index 6ad8756a..079e6b2a 100644
--- a/arduino-ide-extension/src/browser/contributions/include-library.ts
+++ b/arduino-ide-extension/src/browser/contributions/include-library.ts
@@ -5,8 +5,8 @@ import { MonacoEditor } from '@theia/monaco/lib/browser/monaco-editor';
 import { EditorManager } from '@theia/editor/lib/browser';
 import { MenuModelRegistry, MenuPath } from '@theia/core/lib/common/menu';
 import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
-import { ArduinoMenus } from '../menu/arduino-menus';
-import { LibraryPackage, LibraryLocation, LibraryService } from '../../common/protocol';
+import { ArduinoMenus, PlaceholderMenuNode } from '../menu/arduino-menus';
+import { LibraryPackage, LibraryService } from '../../common/protocol';
 import { MainMenuManager } from '../../common/main-menu-manager';
 import { LibraryListWidget } from '../library/library-list-widget';
 import { BoardsServiceProvider } from '../boards/boards-service-provider';
@@ -84,19 +84,35 @@ export class IncludeLibrary extends SketchContribution {
             // `Arduino libraries`
             const packageMenuPath = [...includeLibMenuPath, '2_arduino'];
             const userMenuPath = [...includeLibMenuPath, '3_contributed'];
-            for (const library of libraries) {
-                this.toDispose.push(this.registerLibrary(library, library.location === LibraryLocation.USER ? userMenuPath : packageMenuPath));
+            const { user, rest } = LibraryPackage.groupByLocation(libraries);
+            if (rest.length) {
+                (rest as any).unshift('Arduino libraries');
+            }
+            if (user.length) {
+                (user as any).unshift('Contributed libraries');
+            }
+
+            for (const library of user) {
+                this.toDispose.push(this.registerLibrary(library, userMenuPath));
+            }
+            for (const library of rest) {
+                this.toDispose.push(this.registerLibrary(library, packageMenuPath));
             }
 
             this.mainMenuManager.update();
         });
     }
 
-    protected registerLibrary(library: LibraryPackage, menuPath: MenuPath): Disposable {
-        const commandId = `arduino-include-library--${library.name}:${library.author}`;
+    protected registerLibrary(libraryOrPlaceholder: LibraryPackage | string, menuPath: MenuPath): Disposable {
+        if (typeof libraryOrPlaceholder === 'string') {
+            const placeholder = new PlaceholderMenuNode(menuPath, libraryOrPlaceholder);
+            this.menuRegistry.registerMenuNode(menuPath, placeholder);
+            return Disposable.create(() => this.menuRegistry.unregisterMenuNode(placeholder.id));
+        }
+        const commandId = `arduino-include-library--${libraryOrPlaceholder.name}:${libraryOrPlaceholder.author}`;
         const command = { id: commandId };
-        const handler = { execute: () => this.commandRegistry.executeCommand(IncludeLibrary.Commands.INCLUDE_LIBRARY.id, library) };
-        const menuAction = { commandId, label: library.name };
+        const handler = { execute: () => this.commandRegistry.executeCommand(IncludeLibrary.Commands.INCLUDE_LIBRARY.id, libraryOrPlaceholder) };
+        const menuAction = { commandId, label: libraryOrPlaceholder.name };
         this.menuRegistry.registerMenuAction(menuPath, menuAction);
         return new DisposableCollection(
             this.commandRegistry.registerCommand(command, handler),
diff --git a/arduino-ide-extension/src/browser/menu/arduino-menus.ts b/arduino-ide-extension/src/browser/menu/arduino-menus.ts
index 6a61fbc6..6ef51e95 100644
--- a/arduino-ide-extension/src/browser/menu/arduino-menus.ts
+++ b/arduino-ide-extension/src/browser/menu/arduino-menus.ts
@@ -1,6 +1,6 @@
 import { isOSX } from '@theia/core/lib/common/os';
 import { CommonMenus } from '@theia/core/lib/browser/common-frontend-contribution';
-import { MAIN_MENU_BAR, MenuModelRegistry, MenuNode } from '@theia/core/lib/common/menu';
+import { MAIN_MENU_BAR, MenuModelRegistry, MenuNode, MenuPath, SubMenuOptions } from '@theia/core/lib/common/menu';
 
 export namespace ArduinoMenus {
 
@@ -99,3 +99,24 @@ export function unregisterSubmenu(menuPath: string[], menuRegistry: MenuModelReg
     }
     (parent.children as Array<MenuNode>).splice(index, 1);
 }
+
+/**
+ * Special menu node that is not backed by any commands and is always disabled.
+ */
+export class PlaceholderMenuNode implements MenuNode {
+
+    constructor(protected readonly menuPath: MenuPath, readonly label: string, protected options: SubMenuOptions = { order: '0' }) { }
+
+    get icon(): string | undefined {
+        return this.options?.iconClass;
+    }
+
+    get sortString(): string {
+        return this.options?.order || this.label;
+    }
+
+    get id(): string {
+        return [...this.menuPath, 'placeholder'].join('-');
+    }
+
+}
diff --git a/arduino-ide-extension/src/common/protocol/boards-service.ts b/arduino-ide-extension/src/common/protocol/boards-service.ts
index a1ede3a1..218b588b 100644
--- a/arduino-ide-extension/src/common/protocol/boards-service.ts
+++ b/arduino-ide-extension/src/common/protocol/boards-service.ts
@@ -5,6 +5,25 @@ import { Installable } from './installable';
 import { ArduinoComponent } from './arduino-component';
 
 export type AvailablePorts = Record<string, [Port, Array<Board>]>;
+export namespace AvailablePorts {
+    export function groupByProtocol(availablePorts: AvailablePorts): { serial: AvailablePorts, network: AvailablePorts, unknown: AvailablePorts } {
+        const serial: AvailablePorts = {};
+        const network: AvailablePorts = {};
+        const unknown: AvailablePorts = {};
+        for (const key of Object.keys(availablePorts)) {
+            const [port, boards] = availablePorts[key];
+            const { protocol } = port;
+            if (protocol === 'serial') {
+                serial[key] = [port, boards];
+            } else if (protocol === 'network') {
+                network[key] = [port, boards];
+            } else {
+                unknown[key] = [port, boards];
+            }
+        }
+        return { serial, network, unknown };
+    }
+}
 
 export interface AttachedBoardsChangeEvent {
     readonly oldState: Readonly<{ boards: Board[], ports: Port[] }>;
diff --git a/arduino-ide-extension/src/common/protocol/library-service.ts b/arduino-ide-extension/src/common/protocol/library-service.ts
index 04bb4ee6..efbb37d6 100644
--- a/arduino-ide-extension/src/common/protocol/library-service.ts
+++ b/arduino-ide-extension/src/common/protocol/library-service.ts
@@ -69,4 +69,17 @@ export namespace LibraryPackage {
         return left.name === right.name && left.author === right.author;
     }
 
+    export function groupByLocation(packages: LibraryPackage[]): { user: LibraryPackage[], rest: LibraryPackage[] } {
+        const user: LibraryPackage[] = [];
+        const rest: LibraryPackage[] = [];
+        for (const pkg of packages) {
+            if (pkg.location === LibraryLocation.USER) {
+                user.push(pkg);
+            } else {
+                rest.push(pkg);
+            }
+        }
+        return { user, rest };
+    }
+
 }
diff --git a/arduino-ide-extension/src/electron-browser/theia/core/electron-main-menu-factory.ts b/arduino-ide-extension/src/electron-browser/theia/core/electron-main-menu-factory.ts
index 268a6d12..0341dc45 100644
--- a/arduino-ide-extension/src/electron-browser/theia/core/electron-main-menu-factory.ts
+++ b/arduino-ide-extension/src/electron-browser/theia/core/electron-main-menu-factory.ts
@@ -1,8 +1,9 @@
 import { injectable } from 'inversify'
 import { remote } from 'electron';
 import { Keybinding } from '@theia/core/lib/common/keybinding';
-import { ElectronMainMenuFactory as TheiaElectronMainMenuFactory } from '@theia/core/lib/electron-browser/menu/electron-main-menu-factory';
-import { ArduinoMenus } from '../../../browser/menu/arduino-menus';
+import { CompositeMenuNode } from '@theia/core/lib/common/menu';
+import { ElectronMainMenuFactory as TheiaElectronMainMenuFactory, ElectronMenuOptions } from '@theia/core/lib/electron-browser/menu/electron-main-menu-factory';
+import { ArduinoMenus, PlaceholderMenuNode } from '../../../browser/menu/arduino-menus';
 
 @injectable()
 export class ElectronMainMenuFactory extends TheiaElectronMainMenuFactory {
@@ -42,4 +43,15 @@ export class ElectronMainMenuFactory extends TheiaElectronMainMenuFactory {
         return { label, submenu };
     }
 
+    protected handleDefault(menuNode: CompositeMenuNode, args: any[] = [], options?: ElectronMenuOptions): Electron.MenuItemConstructorOptions[] {
+        if (menuNode instanceof PlaceholderMenuNode) {
+            return [{
+                label: menuNode.label,
+                enabled: false,
+                visible: true
+            }];
+        }
+        return [];
+    }
+
 }