> the only real contender in this regard I would like to add the business core functions of SAP R/3 (1992). Much of the code created for it in the early 90s st

> the only real contender in this regard I would like to add the business core functions of SAP R/3 (1992). Much of the code created for it in the early 90s still lives in the current SAP S/4HANA software.