There are 9 repositories under commodore topic.
MacintoshPi is a project that allows running full-screen versions of Apple's Mac OS 7, Mac OS 8 and Mac OS 9 with sound, active online connection and modem emulation under Raspberry Pi.
Project for capturing vintage, classic, aka old computer schematics in KiCad.
VirtualC64 is a cycle-accurate C64 emulator for macOS
The source from my Commodore 64 assembly programming tutorial for Windows
Open Hardware Remake of the Commodore Amiga 500+ Mainboard
SIDKick pico is an inexpensive dual-SID-replacement for the C64 and C128
A curated list of software emulators and simulators of PCs, home computers, mainframes, consoles, robots and much more...
Collection of cartridges, adapters and replacements for the Commodore C64
A harness for the Diagnostic Rev. 586220 Test for the Commodore C64
Original sources and binaries for Supermon+64 V1.2 by Jim Butterfield
spritemate is a browser based sprite editor for the Commodore 64
A Java framework for building highly customizable PETSCII-enabled BBS, accessible from Commodore 64/128
A Z-machine interpreter for the Commodore 64 and similar computers
Open Hardware 8Kb Cartridge for the Commodore 64
A Commodore (CBM) BASIC V2 interpreter/compiler written in Java
An A/V-adaptor board for the C64
A patch for Commodore 64 and Plus/4 Elite that removes the flicker
4/8 MB Fast RAM Expansion for the Commodore Amiga 500
A NodeMCU (ESP8266) based WiFi modem for the C64's user port
To manage retro floppy disc images
Protect your Commodore 64 from killer power supplies!
Open Hardware Kickstart Switcher for Amiga Computers
Remake of the space shooter game Retaliate for the Commodore 64
Open Hardware 2364-27xxx (E)EPROM Adapter PCB
cc65 library for accessing the DOS and network functions of the Ultimate II+ cartridge and Ultimate 64 motherboard