Flmngr - Free PHP File Manager
FileRun - Beautiful, fast and reliable selfhosted file sharing and sync.
Responsive Filemanager - RESPONSIVE FileManager is a free open-source filemanager image manager stand-alone and plugin for TinyMCE 4, CKEditor and CLEditor. It's possible to select files, images and videos from a server folder and upload them from your computer
PHPfileNavigator - PHPfileNavigator: Administrador de ficheros y directorios via web.
Tiny File Manager - Web based File Manager in PHP, Manage your files efficiently and easily with Tiny File Manager
PHP File Manager - phpFileManager is a complete filesystem management tool on a single file.