wellflat

This is a plugin which gives you a small card to show your GitHub user profile summary. You just have to put shortcode.
Features include: 
+ GitHub account name and avatar 
+ recently active repository 
+ frequently used language list sorted by repository’s stargazers count 
+ public repositories and gists count 
+ followers count 
+ total stargazers count
Notice: 
This plugin caches GitHub user profile data into the database (expires 4 hours).

WP GitHub Card

This plugin provides simple GitHub profile summary card.

Harrix

Harrix MarkdownFile is a plugin to display Markdown files with syntax highlighting in WordPress.
<h4>Demo</h4>
<a href="http://blog.harrix.org/?p=1336" rel="nofollow ugc">http://blog.harrix.org/?p=1336</a>
The plugin uses the libraries:
<ul>
<li>parsedown: <a href="http://parsedown.org/" rel="nofollow ugc">http://parsedown.org/</a></li>
<li>highlightjs.org: <a href="https://highlightjs.org" rel="nofollow ugc">https://highlightjs.org/</a></li>
</ul>
<h4>Usage</h4>
<pre><code>[markdown-file][/markdown-file] </code></pre>
This shortcode embeds markdown file by url.
<pre><code>[markdown-file]https://raw.github.com/Harrix/HarrixQtLibrary/master/README.md[/markdown-file] </code></pre>

Harrix MarkdownFile

Display Markdown files with syntax highlighting in Wordpress.

WP GitHub Card vs Harrix MarkdownFile