DefleMask - An old-school game music tracker for an ample variety of systems.

FamiStudio - FamiStudio is very simple music editor for the Nintendo Entertainment System or Famicom. It is designed to be easier to use than FamiTracker, but its feature set is also much more limited.

MilkyTracker - MilkyTracker is an open source, multi-platform music application for creating .MOD and .

Furnace Tracker - A multi-system chiptune tracker compatible with DefleMask modules

FamiTracker - FamiTracker is a free windows tracker for producing music for the NES/Famicom-systems.

Prototracker - Cross-platform fakebit chiptune tracker