FileChucker is a Perl script supported Ajax which cab be used to upload and manage files on the web site. It includes a real-time progress bar, a built-in password protection, E-mail notification about new uploads, automatically replacement of any “unfriendly” characters, a possibility to work over SSL, an adjustable max upload size.
The FileChucker can be easyly integrated with existing web application even it’s based on PHP. You can test it online, read documentation or download it. Enjoy.