Rational Software

Rational Software

Industry	Application development tools
Founded	1981 (1981)
Founder	Paul Levy and Mike Devlin
Defunct	February 20, 2003 (2003-02-20)
Fate	Acquired by IBM
Key people	Mike Devlin (previous CEO)
Website	www.ibm.com/software/uk/rational/

This article is about the software company that specializes in software architecture solutions. Not to be confused with Rational Systems.

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$3.48 billion^[1]) to IBM on February 21,^[2] 2003.

See also

• Rational Automation Framework
• IBM DevOps Code ClearCase
• Rational DOORS
• Rational Performance Tester
• Rational Rhapsody
• Rational Rose
• Rational Software Modeler
• Rational Synergy
• Rational Unified Process

References

1. 1634–1699: McCusker, J. J. (1997). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States: Addenda et Corrigenda (PDF). American Antiquarian Society. 1700–1799: McCusker, J. J. (1992). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States (PDF). American Antiquarian Society. 1800–present: Federal Reserve Bank of Minneapolis. "Consumer Price Index (estimate) 1800–". Retrieved February 29, 2024.
2. "IBM Acquires Rational Software".

External links

Official website