Although a lot of editing etc. of styles, registrations etc. can be performed in the keyboard, many prefer to use computer software for these tasks.
During the years a number of hobby programmers have created a lot of fine software programs.
This page lists software designed especially for the Yamaha Tyros, PSR, CVP, DGX and YPG range of keyboards.
 JS  = Jørgen Sørensen
 MB  = Michael P. Bedesem
 HP  = Heiko Plate
 KW  = Kim Winther
 MM  = Michael Metzger
Yamaha Keyboard Resource Site - Software 1 Software 1 

Yamaha Keyboard Resource Site - General Music Software General Music Software

MIDI Editors and Viewers
 JS  MIDI and Style File Checker
 JS  MIDI and Style Player
 JS  MIDI Formatter
 JS  MIDI Mega Voice Cleaner
 JS  MIDI Note Event Cleaner
 JS  MIDI Revoicer
 MB  Midi Player II
 MB  Producer
 HP  PSRUTI
 HP  PSRMIDI
 MM  Midi Rename
 MM  Midi Clean
 MM  Midi Mix
  PSR Midi Control

Text Editors and Viewers
 JS  Lyrics Finder
 JS  Music Book Viewer
 JS  Text Formatter
 JS  Image To PDF
 MB  Open Text
 HP  PSRUTI
 HP  PSRMIDI
Text View
Lyrics Text Editor
Midi To Lyric

  XG Editors
Midi Magic Enhancer
Midi Black Box
Equaliseur XG

Yamaha software and updates
USB Driver for keyboards
Mega Enhancer (exe file)
XF Tool (zip file)
XG Format Checker (zip file)
XG Bulk 2 Event (zip file)
XG Viewer (zip file)
Yamaha Visual Arranger (Rather old)
Yamaha Software (Rather old)

  System Exclusive Message Editors
SysEditor
RaMa - SysEditor

Misc. Utility Files
XG Works Parameter Edit (zip file)
XG Editor Parameter Edit (zip file)
Patches 740 PT (zip file)
Patches 740 WJ (zip file)
Patches 9000 PT (zip file)
Patches 9000 WJ (zip file)
9000 & GN Mixer (zip file)
CakeWalk Studioware (zip file)