* [[X-MASS]] ([[TotO]])
* [[UIDE Universal IDE adapter cards for Z-80 computers]]
* [[ULIfAC]] (ikonsgr)
=== Power Supply ===
* [[Simple RS232 for Printer usage|Simple RS232 for Printer usage]]
* [[DB-25 Printer Port Adapter]]
* [[DMP 2000 - re-inking the ribbon]]
=== Real Time Clocks ===