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
Iterative and incremental development is any combination of both iterative design or iterative method and incremental build model for development.
Usage of the term began in software development, with a long-standing combination of the two terms ' ...
. 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
The following is a partial list of products, services, and subsidiaries of International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s.
This list is eclectic; it includes, for example, the ''AN/FS ...
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Rational ClearCase
Rational ClearCase is a family of computer software tools that supports software configuration management (SCM) of source code and other software development assets. It also supports design-data management of electronic design artifacts, thus ena ...
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Rational DOORS
Rational Dynamic Object Oriented Requirements System (DOORS) (formerly Telelogic DOORS) is a requirement management tool. It is a client–server application, with a Windows-only client and servers for Linux, Windows, and Solaris. There is also a ...
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Rational Performance Tester
Rational Performance Tester is a tool for automated performance testing of web- and server-based applications from the Rational Software division of IBM. It allows users to create tests that mimic user transactions between an application client ...
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Rational Rhapsody
Rational Rhapsody, a modeling environment based on UML, is a visual development environment for systems engineers and software developers creating real-time or embedded systems and software. Rational Rhapsody uses graphical models to generate so ...
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Rational Rose
Rational Rose XDE, an "eXtended Development Environment" for software developers, integrates with Microsoft Visual Studio .NET and Rational Application Developer. The Rational Software division of IBM, which previously produced Rational Rose, w ...
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Rational Software Architect
The Unified Modeling Language (UML) is a general-purpose, developmental modeling language in the field of software engineering that is intended to provide a standard way to visualize the design of a system.
The creation of UML was originally m ...
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Rational Software Modeler
Rational Software Modeler (RSM), made by IBM's Rational Software division, is a Unified Modeling Language (UML) 2.0-based visual modeling and design tool. Rational Software Modeler is based on the Eclipse (software), Eclipse open source software, ...
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Rational Synergy
Rational Synergy is a software tool that provides software configuration management (SCM) capabilities for all artifacts related to software development including source code, documents and images as well as the final built software executable and ...
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Rational Unified Process
References
External links
{{Authority control
Defunct software companies
IBM acquisitions