@@ -46,9 +46,78 @@
 intersphinx_mapping = {
     "python": ("https://docs.python.org/3", None),
     "scim2_models": ("https://scim2-models.readthedocs.io/en/latest/", None),
+    "scim2_tester": ("https://scim2-tester.readthedocs.io/en/latest/", None),
+    "scim2_cli": ("https://scim2-cli.readthedocs.io/en/latest/", None),
     "werkzeug": ("https://werkzeug.palletsprojects.com", None),
 }
 
+# -- Sibling projects ------------------------------------------------------
+
+# Kept identical in the scim2-models, scim2-client, scim2-cli and scim2-tester
+# documentations, so that any divergence shows up in a diff.
+NAV_LINKS = [
+    {
+        "title": "Libraries",
+        "children": [
+            {
+                "title": "scim2-models",
+                "url": "https://scim2-models.readthedocs.io",
+                "summary": "SCIM resources and messages as Pydantic models",
+            },
+            {
+                "title": "scim2-client",
+                "url": "https://scim2-client.readthedocs.io",
+                "summary": "Pythonically build SCIM requests and parse SCIM responses",
+            },
+        ],
+    },
+    {
+        "title": "Tools",
+        "children": [
+            {
+                "title": "scim2-tester",
+                "url": "https://scim2-tester.readthedocs.io",
+                "summary": "Check a SCIM server for RFC compliance",
+            },
+            {
+                "title": "scim2-cli",
+                "url": "https://scim2-cli.readthedocs.io",
+                "summary": "Query a SCIM server from the command line",
+            },
+            {
+                "title": "scim2-server",
+                "url": "https://github.com/python-scim/scim2-server",
+                "summary": "A lightweight SCIM2 server prototype",
+            },
+            {
+                "title": "pytest-scim2-server",
+                "url": "https://github.com/pytest-dev/pytest-scim2-server",
+                "summary": "A SCIM2 server fixture for pytest",
+            },
+        ],
+    },
+    {
+        "title": "Integrations",
+        "children": [
+            {
+                "title": "scim2-flask",
+                "url": "https://scim2-flask.readthedocs.io",
+                "summary": "Painless SCIM integration for Flask",
+            },
+            {
+                "title": "scim2-django",
+                "url": "https://scim2-django.readthedocs.io",
+                "summary": "Painless SCIM integration for Django",
+            },
+            {
+                "title": "scim2-fastapi",
+                "url": "https://scim2-fastapi.readthedocs.io",
+                "summary": "Painless SCIM integration for FastAPI",
+            },
+        ],
+    },
+]
+
 # -- Options for HTML output ----------------------------------------------
 
 html_theme = "shibuya"
@@ -60,22 +129,7 @@
     "accent_color": "lime",
     "github_url": "https://github.com/python-scim/scim2-client",
     "mastodon_url": "https://toot.aquilenet.fr/@yaal",
-    "nav_links": [
-        {"title": "scim2-models", "url": "https://scim2-models.readthedocs.io"},
-        {"title": "scim2-tester", "url": "https://scim2-tester.readthedocs.io"},
-        {
-            "title": "scim2-cli",
-            "url": "https://scim2-cli.readthedocs.io",
-        },
-        {
-            "title": "scim2-server",
-            "url": "https://github.com/python-scim/scim2-server",
-        },
-        {
-            "title": "pytest-scim2-server",
-            "url": "https://github.com/pytest-dev/pytest-scim2-server",
-        },
-    ],
+    "nav_links": NAV_LINKS,
 }
 html_context = {
     "source_type": "github",