*[http://www.logonsystem.eu/ Logon System] The page of [[Logon System]] Demogroup
*[http://benediction.cpcscene.net/ Benediction] The page of [[Benediction]] Demogroup
*[https://vanity.memoryfull.net/ Vanity] The page of [[Vanity]] Demogroup
*[http://www.FutureOS.de/ FutureOS homepage] - Official homepage of the operating system [[FutureOS|FutureOS]] for the CPC6128 and CPCPlus.
*[http://www.symbos.de SymbOS]