Major examples of the tools I-Logix created before it was acquired, are Statemate and Rhapsody (now IBM Rational Rhapsody), both was and still used by all major Automotive and Aerospace/Defence manufacturers and suppliers.
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In 1996, I-Logix released Rhapsody, a tool that unlike Statemate (which is not object-oriented and is intended more for systems people and for mixed hardware/software systems), is object-oriented and is intended more for software systems.