There are 6 repositories under mega-drive topic.
SGDK - A free and open development kit for the Sega Mega Drive
A fan port of Cave Story for the Sega Mega Drive
ROM Properties Page shell extension
Mega Drive/Genesis core written in Verilog
Mega nz heroku index, Serves mega.nz to http via heroku web. It Alters downloading speed and stability
Universal Region mod, 50/60 Hz switch and In-Game-Reset (IGR) for Sega Mega Drive (AKA Genesis)
Control the Sega Mega Drive's Yamaha YM2612 and PSG with MIDI
Sega Mega Drive/Sega Genesis emulator that emphasises portability.
Reference standalone frontend for ClownMDEmu, a Sega Mega Drive/Sega Genesis emulator.
GCC toolchain for Motorola 68000
Sega Mega Drive / Genesis emulator for iOS, Mac, Raspberry Pi, Windows and Linux
A script to keep your mega account(s) alive
Kinetoscope: A Sega Genesis Video Player
Sonic the Hedgehog sprite editor, portable clone of Xenowhirl's SonMapEd.
A little PCB to buld a SCART cable for console and old computers
A script to download file from Mega.n and read it. (Using PHP)
Project to learn how to implement a game engine for the Sega Genesis/Mega Drive.
An isometric adventure racing game for the Sega Genesis/Megadrive
A Simple Telegram Bot to Download Mega Links
Allows adapting Genesis 3 and 6 button controllers to the PC Engine
LZSS compressor - Desert/Jungle/Urban Strike (Mega Drive)
This is an example project for loading and executing an MMD file as used in Sonic CD, and can be used as a basis for original Mega CD homebrew projects
Opeth Music Cartridge - A compilation of my friends' favorite Opeth songs transcribed for playing on the Mega Drive sound chip.
Bit-exact compressor and decompressor for the Nemesis file format.
Emulation of the Mega Drive's Hardware
Compression Tools for Konami Compression variant 1 (LZKN1)
SMD Visual Novel Engine
MegaDrive++ R is a universal modchip for SEGA Mega Drive/Genesis that supports language switching, 50/60 Hz switching and in-game reset (IGR) using Mega Drive Control Pad
Frontend for ClownMDEmu that exposes it as a libretro core.
Helper boards to make Sega Genesis 3 function restore mod wiring easier.
ROM Properties Page shell extension.
MD+ Patch for Comix Zone
MD+ Patch for Darius II aka Sagaia
MSU-MD driver implementation for adding CD quality audio to Mortal Kombat II on Sega Genesis/Mega Drive/32X