MESS
Discord's MESS Images, MESS, MESS Bios Roms, MESS Image Packs, MESS snaps, MESS Software Links
DarcNES
An open source emulator for AmigaOS, BeOS, BSD, DOS, Linux and Windows. Supports the Apple 2, ColecoVision, Game Gear, Master System, MSX, NES, PCE/TGX, SC-3000, and SG-1000.
Emulator 3000
A freeware emulator for Windows. Supports various russian and foreign computers including Agat-9, Bashkiria-2M, Elektronika BK-0010*, Mikrosha, Partner 01.01, Pyldin-601*, Vector-06C, and ZX Spectrum.
FreezeSMS
A freeware emulator for Windows. Support ColecoVision, Game Gear, Master System, NES and SG-1000.
MEKA
A freeware emulator for DOS, Linux/i386, and Windows. Supports ColecoVision, Game Gear, Master System, Othello Multivision, SC-3000, Sega Mark III, and SG-1000.
Mimic
Freeware emulator for DOS. Supports Game Gear, Gameboy, Master System, Mega Drive / Genesis, Sega System E, and some Arcade games.
Xe
A freeware module based emulator for Linux/i386 requiring GTK+2.0. Supports Game Boy, Game Gear, Master System, Mega Drive / Genesis, Neo Geo, Neo Geo Pocket, NES, SG-1000, Super NES, Turbo Grafx16, Turbo Grafx CD, and WonderSwan. Incomplete Mega CD and Neo Geo CD modules are also available.