WebDirectory provides a Web-based frontend to an ordinary directory structure of your filesystem. There is no need to import your current data, and no problem exporting your data for backup. It is kept very simple to provide maximum efficiency. You can upload, download and delete files; create and delete directories; configure multiple instances; and have optional user authentication.
I(2) Drive is an online storage solution that allows personal and corporate users to manage their important information from anywhere. It provides client and server software for accessing and sharing files through a Web interface and WebDAV clients either as a hosted service or an in-house install.
Gollem is a Web-based file manager that provides the ability to fully manage a hierarchical file system stored in a variety of backends such as a SQL database, as part of a real filesystem, or on FTP, Samba or SSH servers. It supports uploading and downloading of files, basic file operations, permissions support, and MIME recognition and viewing of files through the Horde MIME library. It is fully internationalized and translatable.