*[https://www.usebox.net/jjm/ Usebox.net] Homebrew studio that focuses on creating games for retro systems, among which is the CPC.
*[https://www.4mhz.es 4MHz (ES)] Homebrew developer group that focuses on creating games for retro systems that use the Z80 CPU.
*[https://www.amstradggp.com/ Amstrad GGP] CPC homebrew games developer group
*[http://www.prodatron.net Prodatron's page] ([[Prodatron|Prodatrons]] homepage includes info and downloads of his productions as well as a lot of downloads for CPC Digitracker modules (MDL), OCP Art Studio pictures and Scene demos)
*[http://www.symbos.de SymbOS] Official homepage of the operating system [[SymbOS]]