diff --git a/contact.html b/contact.html
index aab22c7d8051a60bed50f5a0749464a37b1158e8..057da415fc665bb5a0defbf44498f27124c52749 100644
--- a/contact.html
+++ b/contact.html
@@ -38,6 +38,7 @@
         <ul>
           <li><a href="http://www.simstadt.eu/de/index.jsp">SimStadt</a></li>
           <li><a href="https://www.hft-stuttgart.de/forschung/projekte/standard-titel">IN-Source</a></li>
+          <li><a href="https://drc.ait.ac.at/sites/insource/">IN-SOURCE VisToolBox</a></li>
 
         </ul>