diff --git a/docs/external.html b/docs/external.html
index 1f294a5ad..aa5cc603b 100644
--- a/docs/external.html
+++ b/docs/external.html
@@ -2439,6 +2439,83 @@
         </table>
                     </blockquote>
     </td></tr>
+  </table>
+                                  <table border="0" cellspacing="0" cellpadding="2" width="100%">
+    <tr><td bgcolor="#828DA6">
+      <font color="#ffffff" face="arial,helvetica,sanserif">
+        <a name="yGuard"><strong>yGuard</strong></a>
+      </font>
+    </td></tr>
+    <tr><td>
+      <blockquote>
+                        <p>yGuard is a free Java(TM) Bytecode Obfuscator Task that
+        needs no external script or project files. It can completely
+        be configured and run through the Ant build script. The task
+        supports multiple Jar files at once and makes use of
+        patternsets and regular expressions to specify elements, which
+        should be left unobfuscated.  Additionally it can be used to
+        produce patches for obfuscated applications that have already
+        been deployed.</p>
+                                  <table>
+              <tr>
+                  <td bgcolor="#039acc" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          Compatibility:
+        </font>
+  </td>
+                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          Ant 1.5 and later
+        </font>
+  </td>
+      </tr>
+                  <tr>
+                  <td bgcolor="#039acc" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          URL:
+        </font>
+  </td>
+                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          <a href="http://www.yworks.com/products/yguard">http://www.yworks.com/products/yguard</a>
+        </font>
+  </td>
+      </tr>
+                  <tr>
+                  <td bgcolor="#039acc" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          Contact:
+        </font>
+  </td>
+                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          <a href="mailto:yguard@yworks.com">yGuard@yWorks.com</a>
+        </font>
+  </td>
+      </tr>
+                  <tr>
+                  <td bgcolor="#039acc" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          License:
+        </font>
+  </td>
+                      <td bgcolor="#a0ddf0" colspan="" rowspan="" 
+      valign="top" align="left">
+    <font color="#000000" size="-1" face="arial,helvetica,sanserif">
+          Library: LGPL, Task: Commercial
+        </font>
+  </td>
+      </tr>
+        </table>
+                    </blockquote>
+    </td></tr>
   </table>
                     </blockquote>
     </td></tr>
diff --git a/xdocs/external.xml b/xdocs/external.xml
index d9d2af95f..f8be01a94 100644
--- a/xdocs/external.xml
+++ b/xdocs/external.xml
@@ -910,6 +910,36 @@
         </table>
       </subsection>
 
+      <subsection name="yGuard">
+
+        <p>yGuard is a free Java(TM) Bytecode Obfuscator Task that
+        needs no external script or project files. It can completely
+        be configured and run through the Ant build script. The task
+        supports multiple Jar files at once and makes use of
+        patternsets and regular expressions to specify elements, which
+        should be left unobfuscated.  Additionally it can be used to
+        produce patches for obfuscated applications that have already
+        been deployed.</p>
+
+        <table>
+          <tr>
+            <th>Compatibility:</th>
+            <td>Ant 1.5 and later</td>  
+          </tr>
+          <tr>
+            <th>URL:</th>
+            <td><a href="http://www.yworks.com/products/yguard">http://www.yworks.com/products/yguard</a></td>
+          </tr>
+          <tr>
+            <th>Contact:</th>
+            <td><a href="mailto:yguard@yworks.com">yGuard@yWorks.com</a></td>
+          </tr>
+          <tr>
+            <th>License:</th>
+            <td>Library: LGPL, Task: Commercial</td>
+          </tr>
+        </table>
+      </subsection>
       
     </section>