WP Boxer gone? Anyone have the zip or a substitute?

So, on a few of my sites I have used the WP Boxer plugin by By Mark Boomaars, CodingOurWeb which has since disappeared it seems (including his website). I’m wondering if anyone has a zip file with this plugin or knows of a substitute that works similar?

I have it on several of my sites, but don’t have the actual zip file and can’t install it from the plugin directory now, as it has disappeared. I have a new site that I really would like it (or something similar) on. Any help would be greatly appreciated.

Here is a link to a few pages where i have it installed:
https://breakingfate.com/films/
https://chicagohorrorfest.com/films/

It basically adds content blocks that can contain text / images / etc.