BNSF/MacOS: A NSF player for the Macintosh, based on BNSF for DOS by Fx3.
HardNES: External player for the format, with pictures and information by the creator.
NEZamp: NSF plugin for Winamp that supports many on-cart sound producing devices in Famicom carts.
NSF Collection: Specification, information, players and links relating to the format.
NSFten: Player for Windows, includes information, downloads and files.