Dropbox - Online Sync and File Sharing
FileRun - Beautiful, fast and reliable selfhosted file sharing and sync.
Google Drive - Access and sync your files anywhere
PHPfileNavigator - PHPfileNavigator: Administrador de ficheros y directorios via web.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
PHP File Manager - phpFileManager is a complete filesystem management tool on a single file.