Guide was a hypertext system developed by Peter J. Brown at the University of Kent in 1982. The original Guide implementation was for Three Rivers PERQ workstations running Unix. The Guide system became the third hypertext system to be sold commercially, marketed by Office Workstations Ltd (OWL) in 1984 and later by . "Guide" won Brown the British Computer Society's award for technical innovation in 1988. He retired in 1999 and died of cancer in 2007, according to a tribute page at the University of Kent website.