FCEUX

From the FCEUX homepage:

FCEUX is a Nintendo Entertainment System (NES), Famicom, and Famicom Disk System (FDS) emulator.

The FCEUX concept is that of an "all in one" emulator that offers accurate emulation and the best options for both casual play and a variety of more advanced emulator functions. For pro users, FCEUX offers tools for debugging, rom-hacking, map making, Tool-assisted movies, and Lua scripting.

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Download page ✓ (see below) ✓ (Source)
Latest Builds - Not Stable Releases! (Old → New) Size Date Uploaded (DD/MM/YY)
fceux-2820-macosx.tar.bz2 4.73 MiB 17/01/13 21:57:58
fceux-2822-macosx.tar.bz2 4.73 MiB 20/01/13 18:52:04
fceux-2823-macosx.tar.bz2 4.73 MiB 22/01/13 22:19:08
fceux-2825-macosx.tar.bz2 4.73 MiB 03/02/13 23:21:43
fceux-2826-macosx.tar.bz2 4.73 MiB 06/02/13 22:50:13
fceux-2827-macosx.tar.bz2 4.73 MiB 11/02/13 00:18:41
fceux-2829-macosx.tar.bz2 4.73 MiB 11/02/13 19:04:07
fceux-2834-macosx.tar.bz2 4.73 MiB 14/02/13 22:42:49
fceux-2837-macosx.tar.bz2 4.73 MiB 24/02/13 18:51:55
fceux-2843-macosx.tar.bz2 4.73 MiB 28/02/13 23:30:10