TuxNES is an emulator for the 8-bit Nintendo Entertainment System that runs under Linux and FreeBSD on i386 machines. It supports a wide variety of graphic displays, sound modes, nifty features, and, of course, NES games.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Support for mappers 32 and 66, experimental support for mappers 15, 22, and 71, better logic for deciding which mapper to use, Game Genie bug fixes, improved palette, trainer support.