diff --git a/resources.html b/resources.html
index 145a812..3e45c43 100644
--- a/resources.html
+++ b/resources.html
@@ -131,6 +131,7 @@
 <li><a href="https://help.github.com/articles/github-flavored-markdown">GitHub Flavored Markdown</a>
 <ul>
 <li><a href="https://github.github.com/gfm/">Spec</a></li>
+<li><a href="https://github.com/github/cmark-gfm">Source</a></li>
 </ul></li>
 <li><a href="https://gitlab.com/help/user/markdown">GitLab Flavored Markdown</a></li>
 <li><a href="http://kramdown.rubyforge.org/quickref.html#headers">kramdown</a></li>
@@ -144,7 +145,10 @@
 <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>
+<li><a href="https://www.reddit.com/wiki/markdown">Reddit-flavored Markdown</a>
+<ul>
+<li><a href="https://github.com/zeantsoi/snoomark-binding">Binding</a></li>
+</ul></li>
 </ul>
 <h2 id="引擎">引擎</h2>
 <ul>
diff --git a/resources.md b/resources.md
index 2ad0961..1cd0bf2 100644
--- a/resources.md
+++ b/resources.md
@@ -69,6 +69,7 @@
 
 * [GitHub Flavored Markdown](https://help.github.com/articles/github-flavored-markdown)
     * [Spec](https://github.github.com/gfm/)
+    * [Source](https://github.com/github/cmark-gfm)
 * [GitLab Flavored Markdown](https://gitlab.com/help/user/markdown)
 * [kramdown](http://kramdown.rubyforge.org/quickref.html#headers)
 * [MultiMarkdown](http://fletcherpenney.net/multimarkdown/)
@@ -79,7 +80,8 @@
 * [Maruka](http://markua.com/)
 * [API Blueprint](https://apiblueprint.org/)
 * [MSON](https://apiblueprint.org/documentation/mson/tutorial.html)
-* [Reddit-flavored Markdown](https://www.reddit.com/wiki/markdown) parser not open
+* [Reddit-flavored Markdown](https://www.reddit.com/wiki/markdown)
+    * [Binding](https://github.com/zeantsoi/snoomark-binding)
 
 ## 引擎