WPIDE Premium is an Advanced File Manager and Code Editor plugin for WordPress that you can use completely for free.

Media File Renamer is a WordPress plugin that renames your media files. It can be automatic (depending on certain conditions) or manual.

WP Media Folder is a media manager with folders. This WordPress plugin will help you to stop searching for an image through thousands of media, and instead just navigate like you do on your desktop

WP File Download serves you with a lot of professional features like a full-text search engine and full Google Drive, Dropbox, OneDrive integrations with two way file synchronization.

Cloudify is a self-hosted file manager and cloud storage software that allows you to host your own cloud storage server. It’s an alternative to Dropbox, Google Drive, and other cloud storage

66transfer file transfer software, self-hosted, easy to use, lightweight and performant file transfer software, fully-featured built with privacy in mind.

Swipgle is an easy online file transfer solution that can be used to share large files by email or by generating links, with many options to protect files.

Veno File Manager (VFM) is a simple and flexible plug-and-play file manager, easy to use and with many options

The File Manager Pro for wordpress has a simple and elegant interface and can be easily used even by beginners.

Droppy is a self hosted online file transfer and sharing platform that can be used to share multiple files among friends, family and colleagues.