diff --git a/resources.html b/resources.html
index d594b76..5963d3f 100644
--- a/resources.html
+++ b/resources.html
@@ -167,6 +167,12 @@
 <li><a href="https://leeoniya.github.io/reMarked.js/">reMarked.js</a></li>
 </ul>
 
+<h2>其它用途引擎</h2>
+
+<ul>
+<li><a href="https://anydown.github.io/maildown/">maildown</a>, 轉為日本常用商業郵件格式</li>
+</ul>
+
 <h2>Blog 服務</h2>
 
 <ul>
@@ -181,6 +187,12 @@
 <li><a href="http://www.movabletype.org/">MOVABLETYPE</a></li>
 </ul>
 
+<h2>其它服務</h2>
+
+<ul>
+<li><a href="https://hackmd.io/">HackMD</a></li>
+</ul>
+
 <h2>CSS</h2>
 
 <ul>
diff --git a/resources.md b/resources.md
index 25516b5..9f5ead0 100644
--- a/resources.md
+++ b/resources.md
@@ -96,6 +96,10 @@
 
 * [reMarked.js](https://leeoniya.github.io/reMarked.js/)
 
+## 其它用途引擎
+
+* [maildown](https://anydown.github.io/maildown/), 轉為日本常用商業郵件格式
+
 ## Blog 服務
 
 * [WordPress.com](http://wordpress.com/)
@@ -106,6 +110,10 @@
 * [WordPress](http://wordpress.org/)
 * [MOVABLETYPE](http://www.movabletype.org/)
 
+## 其它服務
+
+* [HackMD](https://hackmd.io/)
+
 ## CSS
 
 * [Markdown css themes](http://jasonm23.github.io/markdown-css-themes/)
diff --git a/resources_content.html b/resources_content.html
index 081fe25..ca98dec 100644
--- a/resources_content.html
+++ b/resources_content.html
@@ -143,6 +143,12 @@
 <li><a href="https://leeoniya.github.io/reMarked.js/">reMarked.js</a></li>
 </ul>
 
+<h2>其它用途引擎</h2>
+
+<ul>
+<li><a href="https://anydown.github.io/maildown/">maildown</a>, 轉為日本常用商業郵件格式</li>
+</ul>
+
 <h2>Blog 服務</h2>
 
 <ul>
@@ -157,6 +163,12 @@
 <li><a href="http://www.movabletype.org/">MOVABLETYPE</a></li>
 </ul>
 
+<h2>其它服務</h2>
+
+<ul>
+<li><a href="https://hackmd.io/">HackMD</a></li>
+</ul>
+
 <h2>CSS</h2>
 
 <ul>