*[http://www.amstradtoday.com/ Amstrad Today (FR)] - Many Tips for Amstrad CPC
*[https://www.centpourcent.net/ Cent Pour Cent] TotO's MX4 hardware expansions
*[[PulkoTronics]] PulkoMandy's hardware expansions
*[http://www.tmtlogic.com/ TMTLogic] CPC and MSX hardware expansions
*[http://retroworkbench.blogspot.com/ ikonsgr 80's Home Micros WorkBench] CPC, Spectrum, Amiga hardware projects