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.

GoatTracker - This is a crossplatform C64 music editor.

SunVox - SunVox is a small, fast and powerful modular synthesizer with pattern based sequencer (tracker).

1BITDRAGON - 1BITDRAGON is a user-friendly music creation software that allows anyone to make music without having to be an expert or have thousands of dollars of gear.

Cubasis - Cubasis is Steinberg’s streamlined, multitouch sequencer for the iPad.

Jummbox - A modified Beepbox that have more stuff then Beepbox. It can be used just like Beepbox. The features of Jummbox is the same of Beepbox's features, but Jummbox have more stuff to offer.