OT Testimonial Slider
It is a simple looking but useful testimonial extension for your website. They are able to show unlimited testimonials using module setting, add on more testimonials that you want on the joomla website with diversified layouts, such as:
+ Testimonials slider with 1 column
+ Testimonials slider with 2 columns
+ Testimonials slider with thumbnails
+ Testimonials with grid layout
+ Testimonials with list layout