Receive files and report checksums via HTTP RFC-1867 mechanism. Modern analog for anonymous FTP upload.
This software was written to replace the Upload.cgi utility by Jeroen C. Kessels for the following article:
http://www.linuxjournal.com/content/secure-file-transfer
It relies on code that is under LGPL, and in the public domain. The core utility is released by me under the LGPL.