Rational Software Corp. unveiled several new tools and features during its annual user conference last week, including a version of its visual design and modeling tool that will work with Microsoft ...

Software development industry heavyweight Rational Software Corp. has acquired NeuVis Inc. of Shelton, Conn., a provider of development tools for building Java 2 Enterprise Edition (J2EE) and .Net ...

IBM Corp. has agreed to acquire Rational Software Corp. for US$2.1 billion, the companies said Friday. Rational, which is located in Cupertino, California, provides software tools and services for ...

IBM has agreed to pay approximately $2.1 billion in cash or $10.50 per share for Rational, which specializes in software-development tools. Rational will now become the fifth brand in IBM Software ...

IBM closed its $2.1 billion acquisition of Rational Software Corp. Friday, and has begun integrating Rational into its software division. IBM closed its $2.1 billion acquisition of Rational Software ...

IBM Corp.'s $2.1 billion purchase of Rational Software Corp. will strengthen its enterprise architecture capabilities, a plus for winning business in the government market, company executives said.

Rational’s business operations will be combined with IBM’s software group, and its products will retain the Rational brand, the companies said Friday. Rational CEO Mike Devlin will become general ...