diff --git a/docs/_images/webapps/ptmscanner.png b/docs/_images/webapps/ptmscanner.png
new file mode 100644
index 0000000..7391a4e
Binary files /dev/null and b/docs/_images/webapps/ptmscanner.png differ
diff --git a/docs/getting-started/webapps.rst b/docs/getting-started/webapps.rst
index 8cc1431..ec919a9 100644
--- a/docs/getting-started/webapps.rst
+++ b/docs/getting-started/webapps.rst
@@ -28,4 +28,12 @@ WebApps
         :link-type: url
         :columns: 12
 
-        A universal metabolomics tool
\ No newline at end of file
+        A universal metabolomics tool
+
+    .. grid-item-card:: SagePTMScanner
+        :img-top: /_images/webapps/ptmscanner.png
+        :link: https://abi-services.cs.uni-tuebingen.de/SagePTMScanner/
+        :link-type: url
+        :columns: 12
+
+        A proteomics search engine Sage in OpenMS framework
\ No newline at end of file