HippoDraw
M. F. Gravina, P. F. Kunz, P. E. Rensing · University of North Texas Digital Library (University of North Texas) · 1992
HippoDraw is a NeXTSTEP application for viewing statistical data. It has several unique features which make viewing data distributions highly interactive. It also incorporates a set of simple drawing tools. HippoDraw is written in Objective-C and uses the Hippoplotamus library package to handle the n-tuples and displays.