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 versions have modes for 480i and 480p evaluation as well.

Open source development for Neo-Geo

Simulation only cartridge NeoGeo hardware definition

SNK NeoGeo core for the MiSTer platform

Library & toolchain for Neo Geo CD develop. with C language

Replacement "chips" for NeoGeo systems

library(-ish) and utils for programming the Neo-Geo

A command line tool to convert Neo Geo roms into the format needed for NeoSD

FPGA-based PCB to control a YM2610 sound synthesis chip.

A Neo Geo Sprite Tile Viewer

A little PCB to buld a SCART cable for console and old computers

Unofficial.

A collection of Neo-Geo MVS arcade tools including Arduino replacement for both MV-LED (credits) and MV-ELA (lamp driver) and an ATTiny mod to auto-start Universe BIOS 4.0 pic'n'mix mode

Neo Geo Gif Maker

Graphics pipeline tool for Neo Geo development

neogeo homebrew

NeoGeo CD intro\demo

fork of the gngeo emulator with a number of bugfixes and modifications

Puzzle Bobble with rotary controls