Advance Sound Dj (or ASDj for short) is a music tracker for the Nintendo Gameboy Advance. Written in C using devkitPro, and utilizing both PCM and PSG channels, and with UI based on well the well-established GameBoy tracker LSDj.
ASDj is still very early in development, but it aims to become a extremely accessible and powerful music creation tool for GBA.
ASDj is licensed under GNU GPL3.