diff --git a/research/index.md b/research/index.md
index 3d79aa47e0e7ab92f7406fb6c32306f5f6684b27..574589751fa28fc80965e68c847a99bf33074de2 100644
--- a/research/index.md
+++ b/research/index.md
@@ -41,9 +41,8 @@ menu_order: 101
     <a href="research/kminteract"><span style="font-weight:bold">Knowledge Mgt. &amp; Interaction</span></a>
     <ul>
       <li>Semantic Interpretation</li>
-      <li><a href="https://trac.omdoc.org/JOBAD">JOBAD: Document-Embedded Interaction</a></li>
-      <li><a href="https://trac.mathweb.org/tntbase">TNTBase: Versioned XML Storage</a></li>
-      <li><a href="http://trac.mathweb.org/MWS">Math Web Search</a></li>
+      <li><a href="https://github.com/KWARC/jobad">JOBAD: Document-Embedded Interaction</a></li>
+      <li><a href="/systems/mws/">Math Web Search</a></li>
       <li>Math Archives</li>
     </ul>
       </td>