Modern BBSing on Vintage Apple II Plus with Raspberry PI as "modem."
The Eliza Challenge: Eliza, the first chatbot in BASIC vs. a modern Eliza powered by ChatGPT
VisiCalc, the First Spreadsheet Software, 40 with inverse and 80 Columns
WordStar on Apple CP/M
Home Brew Audio Line Out (from Speaker)
Apple II Better EZ Game Port extends port to outside and supports DB9 style joysticks.