NEW YORK -- IBM Corp. said Friday it will purchase Rational Software Corp., a maker of development tools, for $2.1 billion in cash -- its biggest software acquisition since purchasing Lotus in 1995.

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 ...

The newly named IBM Innovate show will feature material about the Rational product line as well as other IBM products and services IBM has expanded the scope of its annual conference for Rational ...

IBM said last week that the move demonstrates its continued support to leverage open-source technologies as the foundation for its portfolio of developer tools. News of IBM Rational's plan to support ...

Sabbah is a 30-year veteran of the company and an architect of its open-source policy, as well as overseer of its mainstream WebSphere middleware. While acting as head of development for WebSphere, ...

After acquiring Rational Software for $2.1 billion in December, IBM has offered some insight into its plans to wrap Rational’s development tools into the On Demand initiative. Coming down the pike is ...

My guesses for what would constitute the bulk of the show news this week at IBM's 2008 Rational Software Developer Conference seem to have been mostly accurate. It’s teams, it’s collaboration and it’s ...

As part of its Power announcements yesterday, IBM introduced IBM Rational Power Appliance, a family of software appliances comprised of Power Express servers that are pre-loaded and pre-configured ...

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With IBM's Rational Software Developer Conference 2009 less than a month away now, the company is making reasonably enthusiastic noises about its new software platform (and related services no less) ...

IBM on Wednesday will announce integrations between its Rational and Tivoli product lines that enable users to automate processes across development, testing, and operations teams. The service ...