TIPTOP (fully known as The Internet Pilot to Physics) was a web site operated in collaboration between Kenneth Bodin-Holmlund at Umeå University, Mikko Karttunen at McGill University and Guenther Nowotny at the Technical University of Vienna during 1994–1998, and it was originally derived from Physics Around the World (PAW) that was initiated by Karttunen at McGill University.