ZMDM is likely one of the best, if not the best, Master Data Management for SAP solutions, including S/4HANA, SAP ECC, SAP APO, and other solutions.

ZMDM offers out-of-the-box support for cross-functional workflows needed to create/extend/change key SAP master data, including Material Masters, Vendor Masters, Customer Masters, Functional Locations, Equipment, Bills of Material, Info Records, etc. ZFlow comes with a full representation of SAP Master Data Objects that can readily be used to collaboratively create, review/approve, validate and finally automate create/extend/edit in relevant SAP systems.