I have searched a lot about this plugin that uses JS and php (Laravel) in specific. The plugin called AIZ in sites that use it but found no thing when I searched about, only thing that I can share about it is

https://yourjavascript.com/uploaded/file.php?i=1621583617&f=aiz-core.js.html

about this plugin. it allow me to upload files or choose from files uploaded before something like media library in WordPress.

can any help please.