diff --git a/public/arf.json b/public/arf.json
index 2b157cd..f0c4efd 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -591,7 +591,28 @@
             {
               "name": "Fediverse",
               "type": "folder",
-              "children": []
+              "children": [
+                {
+                  "name": "What is the Fediverse",
+                  "type": "url",
+                  "url": "https://simplyexplained.com/videos/mastodon-and-fediverse-explained/"
+                },
+                {
+                  "name": "List of fediverse software",
+                  "type": "url",
+                  "url": "https://codeberg.org/fediverse/delightful-fediverse-experience#games"
+                },
+                {
+                  "name": "(De)centralizzazione",
+                  "type": "url",
+                  "url": "https://poliverso.org/display/0477a01e-1964-abfd-552f-aef477916660"
+                },
+                {
+                  "name": "W3C - Activity Pub",
+                  "type": "url",
+                  "url": "https://www.w3.org/TR/activitypub/"
+                }
+              ]
             },
             {
               "name": "Email & XMPP",