diff --git a/docs/2023-06-25-useful-tools.html b/docs/2023-06-25-useful-tools.html
index bb01cbe..d72cdde 100644
--- a/docs/2023-06-25-useful-tools.html
+++ b/docs/2023-06-25-useful-tools.html
@@ -973,6 +973,11 @@
           >https://github.com/riok/Kreya</a
         >
       </li>
+      <li>
+        <a href="https://github.com/emqx/MQTTX"
+          >https://github.com/emqx/MQTTX</a
+        >
+      </li>
     </ul>
     <p>Memory</p>
     <ul>
diff --git a/posts/2023-06-25-useful-tools.md b/posts/2023-06-25-useful-tools.md
index 7ee3c83..cb4f01e 100644
--- a/posts/2023-06-25-useful-tools.md
+++ b/posts/2023-06-25-useful-tools.md
@@ -207,6 +207,7 @@ Memory
 - https://redis.com/redis-enterprise/redis-insight/
 - https://www.jetbrains.com/datagrip/
 - https://github.com/riok/Kreya
+- https://github.com/emqx/MQTTX
 
 Memory