Crelly Slider is described as 'Free / Open Source responsive WordPress slider that supports layers. You can add Texts, Images, YouTube/Vimeo videos using a powerful Drag & Drop Builder and animate each of them. It is perfect to display your creative content in posts and pages'. There are eight alternatives to Crelly Slider for a variety of platforms, including Self-Hosted solutions, Wordpress, jQuery, Joomla and PrestaShop. The best alternative is Slider Revolution. It's not free, so if you're looking for a free alternative, you could try Slider by 10Web or Ultimate Responsive Image Slider. Other great apps like Crelly Slider are Master Slider (Freemium), MetaSlider (Freemium), Nivo Slider (Free) and Soliloquy (Freemium).
Ultimate responsive image slider is a responsive image photo slider plugin for WordPress blog users. You can add infinite image slides in a single slider using multiple image uploader. You can publish unlimited slider on your blog.
Smart Slider 3 is the most powerful and intuitive WordPress plugin to create sliders which was never possible before. Fully responsive, SEO optimized and works with any WordPress theme. Create beautiful sliders and tell stories without any code.