Notes: Tested works. Easy to set up. Most controllers work.
Notes: Best SNES emulator out there. If you have never heard of this emulator, you probably are under the age of 12 with only Xbox as your vocabulary.
Open Source NES/FDS emulator.
N64: Project 64
Notes: Unstable but mostly works. some games are incompatible.
Notes: Formerly known as "Kega II" and Kega Fusion, This is a Multi platform Sega emulator. emulates SG1000, SC3000, Master System, Game Gear, Genesis/Megadrive, SegaCD/MegaCD and 32X. Requires some configuration prior to use. Can frustrate some users whose computer experience is no more than click install and play.
Notes: Tested works. Requires a PS1 BIOS image (not included with the emulator). Requires some tweaking of plugins to get it to work perfectly. Most controllers work.