All in one emulator on Android!

Official Repository of FB Alpha Emulator

development kit and libraries for SEGA Master System / SEGA Game Gear / SEGA SG-1000 / SEGA SC-3000 homebrew programming using C language (and the SDCC compiler)

Arduino library to read Sega Genesis (Mega Drive) and Master System (Mark III) controllers.

Multi-system, pure JavaScript (& a little AssemblyScript) emulator, with great accuracy and speed. Currently some SNES, NES, GameBoy, Master System, ZX Spectrum, and GameGear support

NES, Gameboy/Color, Sega Master System / GameGear, and Sega Genesis / MegaDrive Emulators running on ESP BOX and ESP BOX-3 with a custom gamepad

Phantasy Star Retranslation Project

Advanced PCM encoder for 8-bit sound chips

Z80 ASM library (and C conversion/compression tools) to allow replay of SN76489 VGMs as background music/SFX in SEGA Master System / SEGA Game Gear homebrew programs

Converts images to Master System data formats

NES/SMS/PCE/ZX/SMD development tools

Sega 8-bit home systems (Master System, Game Gear, SF-7000) BIOS/bootloader code

Sega Master System/Game Gear Emulator

Compression DLLs for BMP2Tile

Sega Master System emulator

Z80 libraries for the Sega Master System

Disassembly of the original Alex Kidd in Miracle World

A Sega 8bit systems emulator for Nintendo DS(i)/3DS

WASD-style joystick for vintage computers. With an added Arduino Pro Micro you can use it as a USB-keyboard, so if you wanted a DIY streamdeck or Macro-keyboard - then the C64 JoyKEY can do that as well.

Video Game Music file viewer/editor/optimiser/trimmer