The Custom Content Types module adds custom post types (CPTs) to your site. These CPTs allow you to add content that doesn’t necessarily fit into a post, but isn’t right for a static page either. For this you install
Essential Content Types plugin
Portfolio
The Portfolio custom post type gives you an easy way to manage and showcase projects on your site.
Testimonial
The Testimonial custom post type allows you to add, organize, and display your testimonials.
Service
The Service custom post type gives you an easy way to manage and showcase services on your site.