Ditheridoo (2021, Abyss Connection)


A free and multiplatform multicolor bitmap editor for Commodore 64 where the multicolor bitmap is stored in the widely-spread KoalaPainter (C64) format. Ditheridoo is a multicolor bitmap editor for Commodore 64. It runs on 64 bit versions of Linux, MacOS, Windows and other systems supported by Python. Official website download

Green Delicious Apple-1 Emulator (2013, Aleksi Eeben)


This tool is used to test the operation of the Apple-1 computer from 1976 via a Commodore 64 computer. It emulates the 40x24 monochrome display, 7x8 character cells (280x192 pixels), pixel-perfect Signetics 2513 character generator, instant 50/60 Hz hardware scrolling and an ASCII keyboard. It mimics somewhat sufficiently the PIA interface chip functions and it's …