*[https://www.4mhz.es 4MHz (ES)] Homebrew developer group that focuses on creating games for retro systems that use the Z80 CPU.
*[http://norecess.cpcscene.net NoRecess/Condense] Homepage of an Amstrad CPC demoscene group.
*[http://tj.gpa.free.fr/ Tom&Jerry GPA] The page of [[GPA]] Demogroup
*[https://astimpact.weebly.com/ AST Impact] The page of [[Impact]] Demogroup
*[https://amstradmuseum.emu-france.info/ Amstrad Museum] Website of the CPC graphic artist Titan