Does anyone know any open source library that provides this feature as a widget for a web app? I’d love to use Rails active storage + S3 to allow users to have

Does anyone know any open source library that provides this feature as a widget for a web app? I’d love to use Rails active storage + S3 to allow users to have a “mini Dropbox” inside my web App; the only one I could find that was nice enough was CKFinder, but it’s not open source and it’s tied to a Java or PHP backend as well.