diff --git a/htdocs/THDLTools_Developers.html b/htdocs/THDLTools_Developers.html
index 5d1cfee..28f6ed0 100644
--- a/htdocs/THDLTools_Developers.html
+++ b/htdocs/THDLTools_Developers.html
@@ -72,6 +72,21 @@
 
       <a href="http://www.javageeks.com/Papers/ClassForName/">
         this JavaGeeks white paper</a>.
+    </li>
+    <li>
+      Our Java code uses XML.  We use
+
+      <a href="http://jdom.org/">
+        JDOM</a>,
+
+      <a href="http://xml.apache.org/xalan-j/">
+        Xalan</a> (XSLT),
+
+      and
+
+      <a href="http://xml.apache.org/xerces2-j/index.html">
+        Xerces</a>.
+    </li>
   </ul>
 
 </p>