png2prg converts a 320x200 image (png/gif/jpeg) to a c64 hires or multicolor bitmap, charset, petscii, ecm or sprites prg.

ChiCLI - A Command Line Interface for Commodore Computers!

Nurpax's PETMATE PETSCII graphics app, with updates by wbochar

A VSCode extension with language support for c6510 assembler

Disk labels

Cartridge for the Commodore 64 that packs a punch

A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator

Terraform samples for all the major clouds you can copy and paste. The future, co-created.

NMEA0183 to Signal K parser

A pixel editor to create seamless tiles - C64 Style

A bare metal Commodore 64 emulator for the Raspberry Pi with true 50hz/60hz smooth scrolling, low input latency and better audio/video sync.

Hi-resolution BASIC extensions for Commodore 64

Documentation sources for 1541 Ultimate-II(+) and Ultimate-64 products

Binary blobs of U2/U2+ and U64 firmware versions

C64 Development Environment for Visual Studio Code

A cross platform tool to convert images to c64 format.

A Commodore 64 port of Activision's Keystone Kapers https://csdb.dk/release/?id=182116

A Commodore 64 version of Activision's Chopper Command

Macro assembler with support for several 8-bit microprocessors

Official GIT archive of 1541 ultimate II sources

C64-Crossassembler

PETSCII editor with Electron/React/Redux

Various stand-alone C64 examples

C64Studio is a .NET based IDE specializing in game development for the C64 in assembler and BASIC

The source from my Commodore 64 assembly programming tutorial for Windows

A project to create unencumbered open-source ROMs for use on selected retro computers

Dust ist a Command line Suite to support retro development for Mac OSX Users.

the beauty of source code in Commodore 64 BASIC

A collection of handy Bash One-Liners and terminal tricks for data processing and Linux system maintenance.