diff --git a/.gitmodules b/.gitmodules
index 7fec42f..9083744 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -661,3 +661,7 @@
 	path = yaml-workbench
 	url = https://github.com/Mambix/FreeCAD-yaml-workbench
     branch = master
+[submodule "datamanager_wb"]
+	path = datamanager_wb
+	url = https://github.com/royw/freecad_datamanager_workbench
+	branch = master
diff --git a/AddonCatalog.json b/AddonCatalog.json
index 2f318b9..4f80495 100644
--- a/AddonCatalog.json
+++ b/AddonCatalog.json
@@ -336,6 +336,14 @@
       "zip_url": "https://github.com/tomate44/CurvesWB/archive/refs/heads/main.zip"
     }
   ],
+  "DataManager": [
+    {
+      "repository": "https://github.com/royw/freecad_datamanager_workbench",
+      "git_ref": "master",
+      "branch_display_name": "master",
+      "zip_url": "https://github.com/royw/freecad_datamanager_workbench/archive/refs/heads/master.zip"
+    }
+  ],
   "Defeaturing": [
     {
       "repository": "https://github.com/easyw/Defeaturing_WB",
diff --git a/datamanager_wb b/datamanager_wb
new file mode 160000
index 0000000..e2943bf
--- /dev/null
+++ b/datamanager_wb
@@ -0,0 +1 @@
+Subproject commit e2943bfec71f72eb36feaea93a28b1c4ad3b6d8b