Pydio is the mature alternative to Dropbox and Box.com, to build your own box, on your own servers.
Pydio vs KCFinder opinions
KCFinder is built to integrate with CKEditor as a file browser, while Pydio is a Dropbox alternative.
net2ftp is a web based FTP client. It is mainly aimed at managing websites using a browser. Edit code, upload/download files, copy/move/delete directories recursively, rename files and directories -- without installing any software.
Flmngr is free PHP file manager for uploading and selecting files, managing storage and editing images.
The web file explorer HTTP Commander is designed for giving remote access to the Web server’s files. Using only the browser end-users can manage files and folders that are shared to them. There are some rich opportunities for online file editing, cloud services integration and...