PNG encoder and decoder in C and C++.

a multi-system chiptune tracker compatible with DefleMask modules

Optimizing Small memory C Compiler Assembler and Runtime for C64

Enhanced version of the PC Engine development system HuC

A homebrew software suite for video game consoles developed to help in the evaluation of upscalers, upscan converters, line doublers and of course TV processing of 240p video. The Wii and Dreamcast…

NES/SMS/PCE/ZX/SMD development tools

Managed Mednafen Git repo with relevant fixes in support of the PCE (Developer) Community.

miniz: Single C source file zlib-replacement library, originally from code.google.com/p/miniz

Atari MAC/65 compatible assembler for any modern platform

Import of sdcc from https://svn.code.sf.net/p/sdcc/code

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

cc65 - a freeware C compiler for 6502 based systems

Animated sprite editor & pixel art tool -- Fork of the last GPLv2 commit of Aseprite

Regenerate EDC/ECC data for edited CD images

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

JamPlus is a very fast code and data build system derived from the original Perforce version of Jam

RunCPM is a multi-platform, portable, Z80 CP/M 2.2 emulator.

TODO

Builds Lua static XCFramework for iOS (simulator and device), macOS and Mac Catalyst (Intel & Apple Silicon M1).

The SoX resampler library

Virtual HID Mini-user-mode-driver for Sony DualShock 3 Controllers

Code for Fujitsu FM-7 and FM TOWNS series computers

Various utility functions for ASMotor related projects

Powerful macro (cross) assembler package for several CPUs