DolphinDOS 2 is a kernal ROM replacement for the C64 and 1541 disk drive to speed up disk operations.

What if your Commodore 64 could chat with an AI — while playing real SID music at the same time?

Remote SID player for the Ultimate64

pottendo's hacks on Commodore 1541 emulator for the Raspberry Pi

A simple, lightweight PowerShell script to remove pre-installed apps, disable telemetry, as well as perform various other changes to customize, declutter and improve your Windows experience. Win11D…

A 3D library for the ZX Spectrum Next

DOSBox reimagined, with a friendly interface, ZIP loading and save states

Multi-platform cross assembler for 6502/6510/65816 CPU

Commodore 64 sample programs using the Kick Assembler

C# bindings for lemire/simdjson (and full C# port)

A fast circle algorithm for ZX Spectrum

Tools to manipulate ZX Spectrum files

Optimizing Small memory C Compiler Assembler and Runtime for C64

Guide for ZX Spectrum Next assembler developer. Available as free to download PDF from releases page, or printed coil bound book at https://bit.ly/zx-next-assembler-dev-guide

Tools that are a one stop shop for setting up logging collectors for local development

Simple compiled language similar to B. With target to eZ80(Agon Light 2)

256 kB RAM Expansion for the Commodore 16/+4

Command-line cross-compiler of assembly language for Z80 CPU.

Z80 Assembly Tutorial for ZX Spectrum Development

Hello World in ACME Assembly for the Commodore 64

The official .NET library for the OpenAI API

Original sources and binaries for Supermon+64 V1.2 by Jim Butterfield

SIDKick pico is an inexpensive dual-SID-replacement for the C64 and C128

A Slack client for the Commodore 64

A Commodore (CBM) BASIC V2 interpreter/compiler written in Java

A Commodore 64 Skin for Windows Terminal

Collection of cartridges, adapters, and replacements for the Commodore C64

Commodore 64 Programming KickAssembler Library and Examples

Commodore 64 emulator written in Rust