• WinAmp (Free and Pro versions available)
  WinAmp is a high-fidelity music player that supports MP3, CD, WMA, Audiosoft, Mjuice, MOD, WAV, and other audio formats.
  Although not by itself a Karaoke player, it becomes one when used with the MP3+G plugin from http://www.physysteme.com.
  The MP3+G plugin allows Winamp to play MP3+G's (CDG Rips)
  Download WinAmp from Nullsoft’s website http://www.winamp.com
   
• KaraFun ver. 0.40 - 0.92 (Freeware)
  Download from the KaraFun homepage: http://www.karafun.com/index_en.html
  KaraFun is a full karaoke program for MS Windows PCs. (Win98, WinME, Windows2000 and WindowsXP)
  It is based on a powerful animation engine and contains its own editor.
  KaraFun supports KAR midi files, is designed to also work with digital files (MP3 for example) and introduces the new KFN file format.
   
• vanBasco's Karaoke Player ver 2.52, ©vanBasco Software. (Freeware)
  “vanBasco's Karaoke Player is a standard MIDI file player with full screen Karaoke Display for IBM PCs or compatibles running Microsoft Windows 95/98/ME or Windows 2000/NT 4.”
  It can be used to play .kar, .mid, and .midi files
  Download from http://www.vanbasco.com/
   
• RealOrche^TM Real Orchestra ver 1.42 sh Copyright 1995,1997 Creative Tech Korea. (Shareware)
  RealOrche can be used in Windows 95/98/ME but cannot be used with Windows NT4/2000/XP
  It supports .st3, .kar and MIDI formats.
  Download from Carlo’s FTP
   
• MidiX
   
• Windows Media Player: various versions ©Microsoft,
  Although not Karaoke players, since they do not display lyrics, there are one or more versions of Windows Media Player in Windows versions 95SE, 98, 98SE, ME and XP.
  Windows Media Player can play MIDI files with extensions .mi, .mid, .midi and .rmi

The Star 3 and Folks KJ players do not work with Karaoke Manager: