1970s software

MATLAB (Matrix Laboratory) is a proprietary multi-paradigm programming language and numeric computing environment developed by MathWorks. MATLAB allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages.

early and influential timesharing operating system developed at MIT in early 1960s for IBM 7090 mainframe

devised by Moshé M. Zloof at IBM Research during the mid-1970s

MUSIC/SP (Multi-User System for Interactive Computing/System Product; originally McGill University System for Interactive Computing) was developed at McGill University in the 1970s from an early IBM time-sharing system called RAX (Remote Access Computing System).