s-http-server
s-http-server is a trivial HTTP server by Sven Van Caekenberghe.

Homepage at http://homepage.mac.com/svc/s-http-server/

ASDF-install package (obsolete) http://homepage.mac.com/svc/s-http-server/s-http-server.tar.gz

Note: this link is now (June 3, 2013) dead.