intersystem

Intersystem is a term used across disciplines to denote interactions, interfaces, or integrations that connect two or more distinct systems. In information technology and enterprise computing, intersystem integration refers to connecting disparate applications, databases, and devices to enable data exchange, coordinated workflows, and unified reporting. Common strategies include APIs, message queues, middleware, and data transformation layers that map between different data models.

InterSystems is a software company specializing in database technology and data interoperability. The company develops the IRIS Data Platform, a multi-model data platform designed for transactions, analytics, and interoperability. Its earlier product lines included Caché, an object database, and Ensemble, an integration engine. InterSystems software is used in sectors such as healthcare, finance, and government to support scalable, reliable data sharing and complex integrations.