IFM

Web based File Manager in PHP, simple, fast and small file manager with a single file

FileGator is a powerful multi-user file manager with a single page front-end

Web file manager with uploads, tagging, share links, gallery/table views, and an in-browser editor

Web file manager that lets you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3,...

TagSpaces is an offline, cross-platform file manager and organiser that also can function as a note...

Simple, fast and lightweight file manager with instant sharing tools integration, like ShareX