Bob Applegate did not only KIM-1 related projects. He based a line of boards on the SS-30 and SS-50 (SWPTC) 6800 and 6809.

• SS-30 bus extender
• SS-30 Parallel Board
• SS-30 Prototype board
• SS-30 Serial Board
• SS-30 SS-50 technical notes
• SS-30 USB Serial Board
• SS-50 1MB RAM board
• SS-50 64K RAM board
• SS-50 65C02 CPU Board
• SS-50 6800 CPU Board
• SS-50 6809 CPU board
• SS-50 Motherboard
• SS-50 Prototyping board
• SS-50 RAM EEPROM
• SS-50 software SBUG SWTBUG

• SD card System (with Flex for 6800 and 6809)

Peripheral Technology has reproductions of some SS-30/50 Corsham boards.