diff --git a/src/technologies/m.json b/src/technologies/m.json
index e7f97041e..55e9d1051 100644
--- a/src/technologies/m.json
+++ b/src/technologies/m.json
@@ -1554,6 +1554,30 @@
     "scriptSrc": "\\.metrilo\\.com/",
     "website": "https://www.metrilo.com"
   },
+  "MetroUI": {
+    "cats": [
+      66
+    ],
+    "description": "MetroUI is an open-source frontend toolkit inspired by Microsoft Fluent (former Metro) design principles.",
+    "icon": "default.svg",
+    "dom": {
+      "link[href*='//cdn.metroui.org.ua/']": {
+        "attributes": {
+          "href": "//cdn\\.metroui\\.org\\.ua/v([\\d\\.]+)/\\;version:\\1"
+        }
+      }
+    },
+    "js": {
+      "Metro.version": "^([\\d\\.]+)$\\;version:\\1"
+    },
+    "oss": true,
+    "pricing": [
+      "freemium",
+      "low",
+      "recurring"
+    ],
+    "website": "https://github.com/olton/Metro-UI-CSS"
+  },
   "Mews": {
     "cats": [
       72