This folder contains information on various simfile formats that exist.

BMS: Be-Music Script, typically used for beatmania files.
DWI: Son of MSD, created for the Dance With Intensity simulator.
KSF: Another son of MSD, created for the Kick it Up simulator, with extensions
     added by Direct Move.
SDF: .sm derivative used in Pocket DDR.

misc.txt describes some formats that don't have directories.
PMS: Like BMS but for pop'n music.
Dance: pydance format; see dance-spec.txt for more information.