Cossie management and FRST manaement are virtually identical anyway... (well, late spec EsCos and FRST anyway) All you need do with the FRST set up is change the MAP sensor for a 3BAR jobbie, bung in some greens and get it mapped to whateer you want
But as James said - now you have an EFI set up inlet manifold, you can run any EFI management : Omex, Autronic, EsCos/FRST EECIV, Cosworth Marrelli etc, etc....