diff --git a/resources.html b/resources.html
index cc0fde6..9fe13f5 100644
--- a/resources.html
+++ b/resources.html
@@ -100,7 +100,7 @@
 <ul>
 <li><a href="https://github.com/adam-p/markdown-here/">Markdown Here</a></li>
 </ul>
-<h2 id="擴充版-markdown">擴充版 Markdown</h2>
+<h2 id="變形版-markdown">變形版 Markdown</h2>
 <ul>
 <li><a href="https://help.github.com/articles/github-flavored-markdown">GitHub Flavored Markdown</a>
 <ul>
@@ -118,12 +118,14 @@
 <li><a href="http://markua.com/">Maruka</a></li>
 <li><a href="https://apiblueprint.org/">API Blueprint</a></li>
 <li><a href="https://apiblueprint.org/documentation/mson/tutorial.html">MSON</a></li>
+<li><a href="https://www.reddit.com/wiki/markdown">Reddit-flavored Markdown</a> parser not open</li>
 </ul>
 <h2 id="引擎">引擎</h2>
 <ul>
 <li>C
 <ul>
 <li><a href="https://github.com/jgm/cmark">cmark</a></li>
+<li><a href="https://github.com/github/cmark-gfm">cmark-gfm</a></li>
 <li><a href="https://github.com/vmg/sundown">Sundown</a></li>
 </ul></li>
 <li>JavaScript
@@ -148,6 +150,10 @@
 <li><a href="https://github.com/vmg/redcarpet">Redcarpet</a></li>
 <li><a href="https://github.com/bhollis/maruku">Maruku</a></li>
 </ul></li>
+<li>Rust
+<ul>
+<li><a href="https://github.com/kivikakk/comrak">comark</a></li>
+</ul></li>
 </ul>
 <h2 id="反向引擎">反向引擎</h2>
 <ul>