ZMDM is likely one of the best, if not the best, Master Data Management for SAP solutions, including S/4HANA, SAP ECC, SAP APO, SAP EWM and other related 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, Recipes, Routings, Info Records, Classification/Characteristics, Pricing/Costing, Specifications, 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/read/search/extend/update/delete operations in relevant SAP systems.