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$2.1 billion (equivalent to current US$) to
IBM on February 20, 2003.
See also
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Rational Automation Framework
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Rational ClearCase
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Rational DOORS
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Rational Performance Tester
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Rational Rhapsody
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Rational Rose
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Rational Software Architect
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Rational Software Modeler
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Rational Synergy
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Rational Unified Process
The Rational Unified Process (RUP) is an iterative software development process framework created by the Rational Software Corporation, a division of IBM since 2003. RUP is not a single concrete prescriptive process, but rather an adaptable proce ...
References
External links
{{Authority control
Defunct software companies
IBM acquisitions