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 term ...
. It changed its name in 1994 to Rational Software, and was sold for US$2.1 billion (equivalent to current US$) to
IBM
International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...
on February 21,
2003.
See also
*
Rational Automation Framework
The list of IBM products is a partial list of products, services, and subsidiaries of International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s.
Context
Products, services, and subsidiaries ha ...
*
IBM DevOps Code ClearCase
IBM DevOps Code ClearCase (also known as IBM 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 manage ...
*
Rational DOORS
A door is a hinged or otherwise movable barrier that allows ingress (entry) into and egress (exit) from an enclosure. The created opening in the wall is a ''doorway'' or ''portal''. A door's essential and primary purpose is to provide securit ...
*
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 ...
*
Rational Rhapsody
IBM Engineering Rhapsody (formerly 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. Rhapsody uses grap ...
*
Rational Rose
Rational Rose was a development environment for Unified Modeling Language. It integrates with Microsoft Visual Studio .NET and Rational Application Developer. The Rational Software division of IBM, which previously produced Rational Rose, wrot ...
*
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 open-source software framework and is use ...
*
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 ...
*
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 proc ...
References
External links
*
{{Authority control
Defunct software companies of the United States
IBM acquisitions