MSX emulator

Quite some MSX emulators exist:

Open Source emulators

• MESS is not an MSX emulator, but rather a platform that emulates a large amount of systems; one of those systems is the MSX. Available for Windows, Unix, Mac and Amiga.

• openMSX is an open source MSX emulator that uses a unique emulation model and tries to achieve the highest level of accuracy possible. Available for Linux, FreeBSD, Mac OS X and Microsoft Windows.

• BrMSX is an open source MSX emulator written in assembly language for the x86 platform.

• BlueMSX (Microsoft Windows)
  

  Other licenses

• fMSX (Unix, Mac, MS-DOS, Windows, PC9800, etc): one of the oldest MSX emulators, with quite controversial licensing; a lot of other emulators are based on fMSX
• fMSX-Amiga (Amiga)
• CJS MSX2 (MSDOS)
• RuMSX (MS-Windows)
• NLMSX (MS-Windows)