Rational Software

Defunct software company / From Wikipedia, the free encyclopedia

Rational Machines is an enterprise founded by Paul Levy and Mike Devlin in 1981 to provide tools to expand the use of modern software engineering practices, particularly explicit modular architecture and iterative development. It changed its name in 1994 to Rational Software, and was sold for US$2.1 billion (equivalent to current US$3.34 billion[1]) to IBM on February 20, 2003.

Quick facts: Industry, Founded, Founder, Defunct, Fate...
Rational Software
IndustryApplication development tools
Founded1981 (1981)
FounderPaul Levy and Mike Devlin
DefunctFebruary 20, 2003 (2003-02-20)
FateAcquired by IBM
Key people
Mike Devlin (previous CEO)