I just call it "configurable software". Doing the setup is formally called 'configuration' in SAP, and the implementors document the changes done in a 'configu

I just call it "configurable software". Doing the setup is formally called 'configuration' in SAP, and the implementors document the changes done in a 'configuration guide'. I personlly would also like simpler names for the two other kinds of software: Custom-Of-The-Shelf, and, Bespoke.