Kishores

This is a WordPress plugin which helps in adding 
an option to your posts to enable display of more than one author-name on a post on WordPress.
<a href="http://opentuteplus.com/wordpress-post-contributors/" rel="nofollow ugc">Demo:</a>
TODO : Ajax filter for showing author on dashboard.
<h3>Arbitrary section</h3>

WordPress Post Contributors

Add an option to your posts to enable display of more than one author-name on a post on WordPress.

Pippin Williamson

This plugin provides a short code that you can use for showing a photo grid of all users that have contributed code to any Github repository.
It’s a great way to show off the people that have helped with your project.
You can see this live on the Contributors page for <a href="http://easydigitaldownloads.com/contributors/" rel="nofollow ugc">Easy Digital Downloads</a>.
Based on the code by <a href="http://kovshenin.com/2012/how-to-get-a-list-of-contributors-from-a-github-project/" rel="nofollow ugc">Konstantin Kovshenin</a>.

Github Contributors

Provides a simple short code for displaying a list of contributors from any Github repository.

WordPress Post Contributors vs Github Contributors