diff --git a/features.json b/features.json
index b754b0e..c0c9166 100644
--- a/features.json
+++ b/features.json
@@ -743,6 +743,36 @@
         "typeReflection": null,
         "webContentSecurityPolicy": null
       }
+    },
+    "wasm-language-tools": {
+      "url": "https://github.com/g-plane/wasm-language-tools",
+      "logo": "/images/wasm-language-tools.svg",
+      "features": {
+        "bigInt": null,
+        "branchHinting": null,
+        "bulkMemory": true,
+        "customAnnotationSyntaxInTheTextFormat": "0.7.0",
+        "esmIntegration": null,
+        "exceptionsFinal": "0.7.0",
+        "extendedConst": "0.7.0",
+        "gc": "0.4.0",
+        "jsPrimitiveBuiltins": null,
+        "jsStringBuiltins": null,
+        "jspi": null,
+        "memory64": "0.7.0",
+        "multiMemory": "0.4.0",
+        "multiValue": "0.1.0",
+        "mutableGlobals": "0.1.0",
+        "referenceTypes": "0.1.0",
+        "relaxedSimd": "0.7.0",
+        "saturatedFloatToInt": "0.3.0",
+        "signExtensions": "0.3.0",
+        "simd": true,
+        "tailCall": true,
+        "typeReflection": null,
+        "typedFunctionReferences": "0.4.0",
+        "webContentSecurityPolicy": null
+      }
     }
   }
 }
diff --git a/images/wasm-language-tools.svg b/images/wasm-language-tools.svg
new file mode 100644
index 0000000..7a42305
--- /dev/null
+++ b/images/wasm-language-tools.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><title>Logo of WebAssembly Language Tools</title><rect width="480" height="480" x="16" y="16" rx="160" ry="160" style="fill:#654ff0;fill-opacity:1;stroke-width:0;stroke-linecap:round;stroke-linejoin:round"/><path d="m368.304 293.8-13.564 29.921q-2.992-1.396-23.738-11.37t-34.708-16.356q-13.764-6.583-37.7-17.554-23.938-10.971-41.69-18.551-17.754-7.78-37.502-15.36-19.748-7.78-33.312-11.968v-36.504q42.687-23.338 104.524-51.664 61.837-28.525 84.378-35.307 11.37-3.79 18.75-4.388l1.596 32.714q-24.136 6.183-82.981 32.713-58.845 26.33-89.365 43.087 30.32 9.774 95.15 38.498 65.028 28.525 90.162 42.09m-216.43-11.968q33.712 13.564 54.656 22.341 20.746 8.777 58.047 25.134 37.502 16.157 61.438 29.123 23.937 12.966 32.515 21.543l-20.546 27.328q-10.572-9.774-25.932-18.55-41.69-23.539-87.17-43.287-45.68-19.947-81.186-32.514z" aria-label="&lt;=" style="-inkscape-font-specification:&quot;Fantasque Sans Mono&quot;;fill:#fff;stroke-width:0;stroke-linecap:round;stroke-linejoin:round"/></svg>