Can someone please point me to this plugin or something similar?

well that is free theme you can download and investigate what kind of plugin is used download comes along with all plugin used in the theme

more you can look here

https://www.ads-software.com/extend/plugins/post-plugin-library/

I tried looking through the downloaded theme, but oddly enough there isn’t a plugin listed :/

I’ve been looking for a plugin like this forever, but not even sure how to search.

go to the link which i provide in my early post you will under stand

still you don’t let me know