OneTimeBox - Easily Create and Share single-use, live web folders.
http://www.onetimebox.org
Source: Create a Public Folder where anyone can Add files
http://www.onetimebox.org

OneTimeBox, a web app that went live at the recently concluded MIT hackathon (coding contest), takes a different approach to shared folders. The app creates a disposable, public web folder where anyone can add files as long as they know the unique URL of your shared folder.
There’s no registration required and neither do you have to invite anyone as a contributor. Just share the URL of your folder with friends and they’ll have full access – including delete permissions – to the files in that folder.
Source: Create a Public Folder where anyone can Add files