FileRun - Beautiful, fast and reliable selfhosted file sharing and sync.
Flmngr - Free PHP File Manager
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.
Media Manager - Open source Web File Manager (Javascript + VueJS 2)