CP/M-386: CP/M for 386 protected mode, derived from CP/M-68K

List of Permanent Free LLM API (API Keys)

Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

RWAP Software's Online SuperBASIC manual - for conversion purposes

Guide to the QDOS Operating System

Sinclair QL for MiSTer

ZEsarUX - ZX Second-Emulator And Released for UniX

Simple C library for manipulating CP/M filesystems

Tests for libcpmfs

A homebrewed Apple II clone

Z80N Forth system suitable to run on the new ZX Spectrum Next

Lore is a next-generation, open source version control system

Hobby operating system for vintage 16-bit PCs

Deeply optimized MSX emulation on ESP32-S3 with VGA output

MSX PicoVerse Public Repository

A file browser and downloader that connects your MSX computer directly to the file-hunter.com MSX database.

Build automation tool for Free Pascal projects.

A modern, self-hosting Object Pascal compiler built for the 2020s. Zero legacy, full ARC, and unified UTF-8.

An E-Ink PDA device using the ESP32 S3.

Multi-system emulator (NES, SNES, GB, GBA, PCE, SMS/GG, WS) for Windows, Linux and macOS

A Zilog Z80 and Intel 8080 systems emulation

Free Tektronix 4010, 4013, 4014 and 4015 terminal emulator for Raspberry Pi, Linux, macOS (Macintosh) and Windows

HI-TECH Z80 CP/M C compiler v3.09 and updates

Flat, round, designer-friendly pseudo-3D engine for canvas & SVG

Optimizing Small memory C Compiler Assembler and Runtime for C64

CP/M-65 port for the RP6502 Picocomputer — pre-built ROM, disk image, and BIOS source

B compiler

Help files for iRoleMaster

Free, local tool to track AI coding token usage and cost across 31 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn