'''Rational Software''' was an independent [[software]] development company until 2003, when it was bought by [[IBM]]. It sought to advance its customers' practice of Modern Software Engineering through process, tools, and services. It is currently known as an IBM Software product family. This family (set of software tools) is focused on software requirements, design, construction and testing. | '''Rational Software''' was an independent [[software]] development company until 2003, when it was bought by [[IBM]]. It sought to advance its customers' practice of Modern Software Engineering through process, tools, and services. It is currently known as an IBM Software product family. This family (set of software tools) is focused on software requirements, design, construction and testing. |