* [[SYMBiFACE II]]
* [[Symbiface 3]]
* [[RSF3]]
* [[M4 Board]]
* [[ULIfAC]] (Ultimate Interface for Amstrad CPC)
== Synthesizer, sampler and music related ==
* [[Willy|Willy adapter]] for OPL3LPT and S2P Serdaco LPT soundcards ([[PulkoTronics]])* [[AMSDAP|Amsdap adapter]] for MoonSound and MP3MSX MSX cartridge soundcards ([[Prodatron]] and [[TMTLogic]])
* [[Amstrad SSA-1 Speech Synthesizer]] ([[Amstrad]])
* [[Dk'tronics Speech Synthesizer]] ([[Dk'tronics]])
* [[MHT Speech Synthesizer]] ([[MHT Ingenieros]])
* [[LambdaSpeak III ROM|LambdaSpeak]] ([[LambdaMikel]] of [[FutureSoft]])
* [[Speak&SID]] ([[LambdaMikel]])
* [[TMPI speech synthesizer]] ([[TechniMusique]])