Now this is certainly not the fanciest Website that I have ever seen. However, I think that the PHP browser project mentioned here shows some real promise.

What is it?
fileNice is a free php file browser, particularly useful if
you have a ‘dump’ folder on your server where you regularly
upload files and you want to be able to see what’s there.

See it in action here.

Folder specific slideshows of images (without page reloads).
File details
Send to Flickr
Folder comments
Some other stuff.

Download the, unpack and upload the folder
contents into the directory on your server that you want to
be able to browse. [Read the rest]