*[https://github.com/dasta400/ACPCPE Amstrad CPC Printer Emulator] Arduino-based CPC printer emulator
*[https://github.com/f1ac0/CPC-plus-cartridge CPC-plus-cartridge] Different PCB designs and code to make a CPC-plus cartridge
*[https://github.com/zeus074/Amstrad_Multicart Amstrad Multicart] 16-in-1 cartridge for the Amstrad GX4000 or CPC464+ Amstrad Plus computer
*[[C4CPC]] Cartridge replacement for the Amstrad Plus range and the GX4000