kirkvogen's Stars
andlabs/libui
Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.
babun/babun
Babun - a Windows shell you will love!
sverx/devkitSMS
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)
maxim-zhao/pcmenc
Advanced PCM encoder for 8-bit sound chips
sverx/PSGlib
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
maxim-zhao/bmp2tile
Converts images to Master System data formats
martinpiper/BDD6502
Behaviour Driven Development with 6502 code
lajohnston/smslib
Z80 libraries for the Sega Master System
Pac-MagicianGITHUB/SoniKit
This is a Sonic engine made for the Sega Master System
kentosama/devkitsms-skeleton
Project skeleton for DevkitSMS
kentosama/master-system-z80-samples
Samples for SEGA Master System
kentosama/sms-skeleton
SEGA Master System skeleton for assembly
pw32x/RadRuby
Rad Ruby vs The Robot Rebels for Sega Genesis