diff --git a/public/arf.json b/public/arf.json
index fb2f204..2dfbb5e 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -197,6 +197,11 @@
           "name": "Hackerspaces",
           "type": "folder",
           "children": [
+            {
+              "name": "Server Ribelli - Sorci",
+              "type": "url",
+              "url": "https://www.meltemieditore.it/catalogo/server-ribelli/"
+            },
             {
               "name": "General Grouping",
               "type": "folder",
@@ -421,8 +426,7 @@
         {
           "name": "Centralized",
           "type": "folder",
-          "children": [
-          ]
+          "children": []
         },
         {
           "name": "Self-Hosting",