leticia

This very simple plugin allows multiple authors to be assigned to a Post or Page.
In admin panel, when you add or edit a post or page you can:
<ul>
<li>
specify additional authors, by selecting and adding them in the “Co-authors” panel. (See Screenshots #1)
</li>
<li>
put the shortcode “[sp-authors]” to display the list of co author’s links separated by comma.
</li>
</ul>
When the post/page is displayed to user:
<ul>
<li>you can see the list using the shortcode that can be added in the add post page</li>
</ul>
In any template:
<ul>
<li>
you can user the template-tag “sp_authors_display” to show the list of coauthors “display_name”, separated by comma
</li>
<li>
you can user the template-tag “sp_authors_photos_display” to show the list of coauthors avatars
</li>
</ul>
In search for author functionality:
<ul>
<li>the search take in care all authors, no just the user who write the post/page</li>
</ul>

SP Authors

This very simple plugin allows multiple authors to be assigned to a Post or Page.

Frank Neumann-Staude

Ulf Schönefeld

polyres

This plugin/add-on requires the plugins FacetWP and Co-Authors Plus (WordPress plugin repository)!
This free plugin/add-on integrates FacetWP with Co-Authors Plus, allowing you to use Co-Author Plus custom fields for front-end search and filtering in a facet. 
With the help of Extend Co-Authors Plus for FacetWP, you can create a lable and choose the data source “co-authors” for your page or post.

SP Authors vs Extend Co-Authors Plus for FacetWP