* [[CPC GX4000-Multi EPROM Cartridge]] Use a GX cartridge for modified ROM software
* [[Dobbertin EPROM 224]] ([[Dobbertin]])
* [[FlashGordon]] ([[PulkoTronics]]) 512 KB ROM simulator using Flash, in-system programmable
* [[Fleet EPROM Programmer|Fleet EPROM Programmer]] (F.Kup and Fleet Microsystems Ltd.)
* [[FO-DOS|FO-DOS Cartridge]] - a CPC6128 ROM (BIOS v3, BASIC v1.1) upgrade for the CPC464 ([[Duchet Computers]])