diff --git a/app/src/processing/app/Base.java b/app/src/processing/app/Base.java
index f574ff826..5e9d64662 100644
--- a/app/src/processing/app/Base.java
+++ b/app/src/processing/app/Base.java
@@ -74,6 +74,9 @@ public class Base {
 
   // A single instance of the preferences window
   Preferences preferencesFrame;
+  
+  // A single instance of the library manager window
+  LibraryManager libraryManagerFrame;
 
   // set to true after the first time the menu is built.
   // so that the errors while building don't show up again.
@@ -1388,7 +1391,14 @@ public class Base {
     if (preferencesFrame == null) preferencesFrame = new Preferences();
     preferencesFrame.showFrame(activeEditor);
   }
-
+  
+  /**
+   * Show the library installer window.
+   */
+  public void handleAddOrRemoveLibrary() {
+    if (libraryManagerFrame == null) libraryManagerFrame = new LibraryManager();
+    libraryManagerFrame.showFrame(activeEditor);
+  }
 
   // ...................................................................
 
diff --git a/app/src/processing/app/Editor.java b/app/src/processing/app/Editor.java
index 92c801309..ad156137f 100644
--- a/app/src/processing/app/Editor.java
+++ b/app/src/processing/app/Editor.java
@@ -763,7 +763,15 @@ public abstract class Editor extends JFrame implements RunnerListener {
     sketchMenu.addSeparator();
 
     sketchMenu.add(mode.getImportMenu());
-
+    
+    item = new JMenuItem("Install Library...");
+    item.addActionListener(new ActionListener() {
+      public void actionPerformed(ActionEvent e) {
+        base.handleAddOrRemoveLibrary();
+      }
+    });
+    sketchMenu.add(item);
+  
     item = Base.newJMenuItem("Show Sketch Folder", 'K');
     item.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
diff --git a/app/src/processing/app/LibraryManager.java b/app/src/processing/app/LibraryManager.java
new file mode 100644
index 000000000..01aa7950d
--- /dev/null
+++ b/app/src/processing/app/LibraryManager.java
@@ -0,0 +1,108 @@
+/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Processing project - http://processing.org
+
+  Copyright (c) 2004-09 Ben Fry and Casey Reas
+  Copyright (c) 2001-04 Massachusetts Institute of Technology
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software Foundation,
+  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+package processing.app;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import javax.swing.*;
+
+import processing.app.syntax.*;
+import processing.core.*;
+
+
+/**
+ * 
+ */
+public class LibraryManager {
+
+  JFrame dialog;
+
+  JLabel uriLabel;
+  JTextField libraryUri;
+  JButton installButton;
+  
+  // the calling editor, so updates can be applied
+
+  Editor editor;
+
+  public LibraryManager() {
+
+    // setup dialog for the prefs
+
+    //dialog = new JDialog(editor, "Preferences", true);
+    dialog = new JFrame("Library Manager");
+    dialog.setResizable(true);
+    
+    Base.setIcon(dialog);
+
+    uriLabel = new JLabel("Library URI:");
+    libraryUri = new JTextField(40);
+    installButton = new JButton("Install");
+    
+    ActionListener installLibAction = new ActionListener() {
+      
+      public void actionPerformed(ActionEvent arg) {
+        try {
+          URI uri = new URI(libraryUri.getText());
+          System.out.println("Installing library: " + uri);
+        } catch (URISyntaxException e) {
+          System.err.println("Malformed URI");
+        }
+        libraryUri.setText("");
+      }
+    };
+    libraryUri.addActionListener(installLibAction);
+    installButton.addActionListener(installLibAction);
+    
+    Container pane = dialog.getContentPane();
+    BoxLayout boxLayout = new BoxLayout(pane, BoxLayout.Y_AXIS);
+    pane.setLayout(boxLayout);
+    
+    Box horizontal = Box.createHorizontalBox();
+    horizontal.add(Box.createVerticalStrut(2));
+    horizontal.add(uriLabel);
+    uriLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
+    horizontal.add(Box.createVerticalStrut(5));
+    
+    horizontal.add(libraryUri);
+    horizontal.add(installButton);
+    
+    pane.add(horizontal);
+    
+    dialog.pack();
+    Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
+    dialog.setLocation((screen.width - dialog.getWidth()) / 2,
+                      (screen.height - dialog.getHeight()) / 2);
+  }
+  
+  protected void showFrame(Editor editor) {
+    this.editor = editor;
+    dialog.setVisible(true);
+  }
+  
+}