Dani Llewellyn

This plugin will add a new post type which will display your plugin readme pulled directly from the WordPress.org API. It will show on your site complete with appropriate download links.
Portions of code are heavily influenced by <a href="https://wordpress.org/plugins/i-make-plugins/" rel="ugc">I make plugins</a> by 
<a href="https://profiles.wordpress.org/markjaquith/" rel="nofollow ugc">Mark Jaquith</a>.

I'm A Plugin Developer

Showcase the plugins you have in the WordPress.org Plugin Directory on your own site.

f13dev

If you are a programmer who uses GitHub then why not share your coding projects via your WordPress blog by adding a snapshot 
of your repository on any page or post using shortcode.
Simply install the plugin and add the shortcode [gitrepo author=”author” repo=”repo”] to the desired location; changing the attributes to that of your desired repository.
Features include:
<ul>
<li>Cached using Transient</li>
<li>Styles appearance with a GitHub banner</li>
<li>Shows the repository description</li>
<li>Adds a link to the repository on GitHub</li>
<li>Shows statistics for Forks, Stars, Open Issues</li>
<li>Provides a link to the latest tag (if one exists)</li>
<li>Displays the code to clone the repository</li>
<li>Can be used with or without a GitHub API Token</li>
</ul>

GitHub Repository Shortcode

Add a snapshot of your GitHub repository to any page or post on your WordPress blog.

I'm A Plugin Developer vs GitHub Repository Shortcode