Custom Feild like sliders, lightbox etc

I’m new to Ghost, I like to create custom theme for Ghost. I can add posts and pages also know how to do stuffs in back-end and some function like adding menu, Showing posts in landing page and know to create custom template.

My question is, I need to add custom images or text to a slider on landing page and show some edits i there. Like using ACF plugin for WordPress. Is there alternative in ghost.