Demis Patti

This plugin enables you to use the “Vegas Background Slideshow” for images on regular posts and pages. You can define a global slideshow, a fallback slideshow, and even slideshows on a per post basis. Read the help tab for more details on the options.
<h3>Features</h3>
<ul>
<li>Unlimited slideshows</li>
<li>Global slideshow</li>
<li>Fallback slideshow</li>
<li>Slideshows on a per post basis</li>
<li>Supports images</li>
<li>Supports lots of custom post types: ‘post’, ‘page’, ‘product’, ‘portfolio’, ‘gallery’, ‘art’, ‘books’, ‘movies’, ‘videos’ – or you name it</li>
<li>Various overlays to choose from</li>
</ul>
<h3>Requirements</h3>
Your theme must support the core WordPress implementation of the <a href="https://codex.wordpress.org/Custom_Backgrounds" rel="nofollow ugc">Custom Backgrounds</a> theme feature.
Your theme’s layout must be “boxed” somehow or an opacity should be added to the page content container for the background slideshow to be seen (of course…).
PHP version 5.4 or above.

cbVegas

Requires at least: 3.9 Tested up to: 4.7.2 Stable tag: 0.3.6 Version: 0.3.6 License: GPLv2 or later License URI: https://www.gnu.org/licenses/gpl-2.0.

petermolnar

WP-SlidesJS adds <code>wp-slidesjs</code> shortcut function to WordPress in order to create <a href="http://slidesjs.com/" title="Slides JS" rel="nofollow ugc">Slides JS</a> slideshow from posts of a category.
<h4>Usage</h4>
Place <code>[wp-slidesjs]</code> shortcode into anywhere in the post or a page. You can use the following to specify the posts to show:
<ul>
<li><code>category_id</code>: ID of the category to show posts from 
or</li>
<li><code>category_slug</code>: slug of the category to show posts from 
or</li>
<li><code>page_id</code>: id of the page to show 
or</li>
<li>
<code>post_id</code>: id of the post to show
and (optional)
</li>
<li><code>limit</code>: limit the number of the posts to show</li>
</ul>
Example 1: 
 [wp-slidesjs category_id=12 limit=6]
This will create the slider from the last 6 posts of category #12. You’ll going to have 6 slides this way.
Example 2: 
 [wp-slidesjs page_id=3,211,1389,1121 ]
This will create the slider from pages #3, #211, #1389 and #1121. You’ll going to have 4 slides this way.
The number of sliders per page is unlimited.

WP-SlidesJS

Adds a shortcut function to WordPress to create Slides JS slideshow from posts of a category.

cbVegas vs WP-SlidesJS