Atria Software Inc. was a software company that developed ClearCase in the early 1990s. [1] It was founded by David B Leblang, [2] Paul Levine, [3] David Jabs [4] and others on January 11, 1990. [5] Some of the Atria developers had worked on an earlier system: DSEE ( Domain Software Engineering Environment) from Apollo Computer. After Hewlett-Packard bought Apollo Computer in 1989, they left to form Atria. [6] [7] [8] Atria later merged with Pure Software to form Pure Atria. [9] That firm merged with Rational Software, which was purchased by IBM in 2003. [10] IBM continues to develop and market ClearCase.
Atria Software Inc. was a software company that developed ClearCase in the early 1990s. [1] It was founded by David B Leblang, [2] Paul Levine, [3] David Jabs [4] and others on January 11, 1990. [5] Some of the Atria developers had worked on an earlier system: DSEE ( Domain Software Engineering Environment) from Apollo Computer. After Hewlett-Packard bought Apollo Computer in 1989, they left to form Atria. [6] [7] [8] Atria later merged with Pure Software to form Pure Atria. [9] That firm merged with Rational Software, which was purchased by IBM in 2003. [10] IBM continues to develop and market ClearCase.