As by your concrete question
InterSystems Caché® is a high-performance database that powers transaction processing applications around the world. It is used for everything from mapping a billion stars in the Milky Way, to processing a billion equity trades in a day, to managing smart energy grids.
InterSystems Ensemble® is a seamless platform for rapid connectivity and the development of new connectable applications. Ensemble users typically complete projects twice as fast compared to previous generations of integration products.
InterSystems IRIS Data Platform™ sets a new level of performance for rapidly developing and deploying important applications. All of the needed tools and capabilities are provided in a reliable, unified platform spanning data management, interoperability, transaction processing, and analytics.