OverClocked ReMix
115
Freeware
It is a Winamp plugin that lets you play chiptune and tracker formats.
klystrack
11
Open source
klystrack is a little chiptune composing tool that uses klystron.
Gaijin Games, Inc.
25
Commercial
It takes you into a whole new world of sight and sound as you juggle beats.
AudioThing
46
Shareware
Emulates the sound of 80s game consoles and retrocomputers.
Gaijin Games, Inc.
279
Commercial
BIT.TRIP RUNNER is the fastest, most exhilarating music/rhythm-platformer.