JEmu
- Java based emulator that can play games online.
- http://www.gagaplay.com/

CottAGE
- Java emulator based on the MAME sourcecode. Download and possibility to play online.
- http://cottage.consolemul.com/

Kawaks
- A freeware emulator for Windows. Emulates Neo Geo and CPS 1/2 Systems.
- http://cps2shock.retrogames.com/

Nebula
- A freeware NeoGeo and CPS1/2 emulator for Windows. [English/Spanish]
- http://nebula.emulatronia.com/

Ace
- A freeware emulator for Windows dedicated to Capcom system. Sources are also available.
- http://ace.emuunlim.com/

VAntAGE - Vertical Antiquated Arcade Game Emulator
- Written to be as small and fast as possible (to keep the cost of the host PC to a minimum) and to run the arcade games 'as intended'.
- http://www.mameworld.net/pc2jamma/vantage.html

Shark
- An arcade game emulator for the Win95/98 operating system.
- http://www.c64.org/~magnus/shark.html

HiVE : High Velocity Emulator
- A Win32 program which emulates classic arcade games such as Galaga and PacMan.
- http://hive.speedhost.com/

Official Raine Page
- Raine is an emulator, it emulates some M68000 and M68020 arcade games and is mainly focused on Taito and Jaleco games hardware.
- http://www.rainemu.com/

E++ - A portable object-oriented emulator
- Emulates Space Invaders, Phoenix, Centipede and the home computer Sinclair ZX Spectrum (aka Timex-Sinclair 2000).
- http://www.guybrush.demon.co.uk/e/