In wordpress Cms most of plugin is using free of cost. now a days post slider in wordpress most using plugins like that way in much of plugin available in wordpress.org but let me show you which is good plugin top 5 plugin in wordpress
Post Slider
Post Slider WordPress is a jQuery supper awesome carousel for your wordpress website. This plugin will enable awesome carousel. there is much of option available in that plugin i prefer that is most useful plugin for post slider in wordpress .
we can use there custom post type slider and many other more option in post slider plugin
Post Carousel – Post Grid, Filter & Masonry for WordPress
Post carousel is brought to you by Shaped Plugin. It is an amazing carousel plugin for WordPress that allows you to showcase your posts in a nice sliding manner. It has plenty of extremely user-friendly options to configure the carousel easily. It’s 100% responsive & columns structure, shortcode generator, control autoPlay speed, stop on hover carousel, multiple slideshows, mouse draggable on/off, easy to customize and stylize, unlimited color and styling options, RTL & translation ready, support all modern browsers and much more things to offer.
WP Responsive Recent Post Slider
Perfect plugin to display your post on the blog. Comes with the clean and lightweight design. Responsive Recent WordPress Post Slider is a WordPress post slider plugin with compatibility for mobile devices. WordPress Recent Post Slider has included 4 designs with the beautiful slider. Other features are: Easy to add, given 4 designs, 100% responsive, responsive touch slider, mouse draggable, custom post type support, recent post slider with 25 designs and much more.