* TMPI speech synthetizer
* VIDI digitizer
* [[VortexComputersysteme#F1|Vortex F1/D]]* [[VortexComputersysteme#F1|Vortex F1/S]]* [[VortexComputersysteme#F1|Vortex F1-X(RS)]]* [[VortexComputersysteme#F1|Vortex F1/Z]]* [[VortexComputersysteme#M1|Vortex M1/D]]* [[VortexComputersysteme#M1|Vortex M1/S]]* [[VortexComputersysteme#M1|Vortex M1-X(RS)]]* [[VortexComputersysteme#M1|Vortex M1/Z]]* [[VortexComputersysteme#SP|Vortex SP 64 - SP 512]] RAM expansion
* X-ROM ROM expansion and ROM burner