diff --git a/_includes/sections/productivity-tools.html b/_includes/sections/productivity-tools.html
index d2d91af9..234a1fe5 100644
--- a/_includes/sections/productivity-tools.html
+++ b/_includes/sections/productivity-tools.html
@@ -58,6 +58,7 @@
   <li><a href="https://framadate.org/">Framadate</a> - A free and open-source online service for planning an appointment or making a decision quickly and easily. No registration is required.</li>
   <li><a href="https://www.libreoffice.org/">LibreOffice</a> - Free and open-source office suite.</li>
   <li><a href="https://vscodium.com/">VSCodium</a> - Fork of Microsoft's Visual Studio Code editor without branding or telemetry.</li>
+  <li><a href="https://github.com/39aldo39/DecSync">DecSync</a> - DecSync can be used to synchronize RSS, contacts and calendars.  This can be done without a server by using for example Syncthing.</li>
 </ul>
 
 <h1 id="metadata-removal-tools" class="anchor">