diff --git a/data/tags.yml b/data/tags.yml
index 6c96673d7..8b8e3d5d3 100644
--- a/data/tags.yml
+++ b/data/tags.yml
@@ -331,9 +331,9 @@
 - name: Vue.js
   value: vue
   type: other
-- name: Webassembly
+- name: WebAssembly
   value: wasm
-  type: other
+  type: language
 - name: Writing
   value: writing
   type: other
diff --git a/data/tools/wasm-language-tools.yml b/data/tools/wasm-language-tools.yml
new file mode 100644
index 000000000..bcce233e1
--- /dev/null
+++ b/data/tools/wasm-language-tools.yml
@@ -0,0 +1,14 @@
+name: wasm-language-tools
+categories:
+  - formatter
+  - linter
+tags:
+  - wasm
+license: MIT License
+types:
+  - ide-plugin
+source: "https://github.com/g-plane/wasm-language-tools"
+homepage: "https://github.com/g-plane/wasm-language-tools"
+description: >-
+  WebAssembly Language Tools aims to provide and improve the editing experience of WebAssembly Text Format.
+  It also provides an out-of-the-box formatter (a.k.a. pretty printer) for WebAssembly Text Format.