Arashtad

This product is a fully responsive WordPress widget and displays Testimonials in fancy styles. The widget output is very customizable and easy to work with. There are various options on the admin panel to take the appearance and behavior of each widget instance under your control. Some of the options are described below.
Features: 
* 4 Preset Styles 
* Custom Style Available 
* Customisable Width and Height 
* Customisable Header and Footer Texts 
* Customisable Margin and Padding 
* Fully Responsive 
* Unlimited Widgets on a Same Page 
* Ongoing Support 
* WordPress 4.x Compatible 
* FontAwesome Support 
And Much More…
Arashtad Testimonials Slider is created by <a href="https://arashtad.com/" rel="nofollow ugc">Arashtad.com</a> as a free WordPress plugin. But, though it’s a free product, it is fully supported by Arashtad.com.
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Customization: 
As described this product is very flexible and easy to customize. You can easily change the style of its module output by editing the plugin CSS file at wp-content/plugins/arashtad-testimonials-slider/styles/master.css.

Arashtad Testimonials Slider Plugin

Arashtad Testimonials Slider Plugin creates unlimited Testimonials Slider widgets on WordPress websites.

Prakash

Awesome Testimonial Plugin for WordPress built to display testimonials, client quotes or reviews with variety styles on any post, page, custom template, widget, etc
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A FEW FEATURES ARE
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<ul>
<li>Fade, Crossfade, Scroll, Cover, and Uncover effects</li>
<li>Widget Ready</li>
<li>With just a shortcode, create a list page for testimonial </li>
<li>Mobile-Friendly and Responsive – Simple to Customize</li>
<li>Simple to Use </li>
<li>Start ratings are available</li>
</ul>
<h3>Rate The Plugin</h3>
<ul>
<li><a href="https://wordpress.org/support/view/plugin-reviews/awesome-testimonials#postform" rel="ugc">I’d love to hear from you!</a></li>
</ul>

Awesome Testimonials

Integrate a testimonial into your WordPress web site.

Arashtad Testimonials Slider Plugin vs Awesome Testimonials