6502 Disassembler	This is an NES disassembler. It is nice program, simple and effective.	Download It Version 0.4 Documentation
CajoNES	This utility can convert between .nes files, .fam files, and pasofami files. It can also clean out headers of roms. A very helpful little utility.	Download It Version 1.0 Documentation
Famicom Converter	This utility will convert roms formated for Pasofami into .fam format.	Download It Version 0.20 Documentation
Final Fantasy Save State Editor	This is a save state hacker for Final Fantasy 1, it allows you to edit your saved states and cheat your way through FF1. It was programmed by Noize, but is hosted on the MadHacker's web site.	Download It Documentation
Fix	This is a minute utility that should fix mapper problems (mappers 15 and below) for NES roms in iNES 0.7 and Nesticle 0.4. Is solves problems created for these emulators by programs such as NESimage.	Download It Version 0.1 Documentation
Game Genie Code Maker	This is a simple little program. It requires you to know quite a bit about the rom, but will create a 6 or 8 digit GG code from the info. You input the location in the rom you want the code to change, and the values you wish to put in that location, and the program will give you a game genie code to do it. It will also do the same thing in reverse. It's a happy day.	Download It Version 0.2 Documentation
Graphics Extractor / Inserter	The combination of these two utilities allows you to rip the graphics from an NES rom and create a .bmp file with them. You can then edit the file with an ordinary painting program and use the graphics inserter to place them back into the rom.	Version 1.1 Graphics Extractor Graphics Inserter Extractor Docs Inserter Docs
Hack4u - Ultima Save State Editor	The combination of these two utilities allows you to rip the graphics from an NES rom and create a .bmp file with them. You can then edit the file with an ordinary painting program and use the graphics inserter to place them back into the rom.	Version 0.90 Windows Port Linux Port Source Code Documentation
MakeRom	This really doesn't do anything except pull off a 6 byte .com header, and throw on the 16 byte .nes header. I only put it here with hopes that some one can make use of it.	Download It Pre-release Documentation
NESimage	This utility converts NES roms between a variety of formats. This includes iNES, pasofami, and FFE formats. It is a useful utility.	Download It Version 3.34 Documentation
NES Screen Arranger	"It lets you load a .CHR file and an accompanying NES palette, arrange the tiles on the screen, and select the appropriate 4-color palette for each 2x2 tile grid. Great for making title screens and other fullscreen artwork, where you need to piece together a great amount of tiles and view the graphics in all their 4-bit glory."	Download It v0.1b Documentation
Nestoy	"This a NES rom management utility for your .NES Nintendo/Famicom roms. This program started out as a header information utility, but now, using a database, can identify your NES roms and optionally repair any bad headers it finds and rename the roms to full descriptive long file names."	Download It v2.7 Documentation
Nintendo 6502 Dissasembler	This is an NES dissasembler. It works fairly well, but still has some bugs. It will comment the output for you, which is an interesting feature.	Download It Documentation
NSF Tool	This is a great utility for NSF file editting. It gives you the ability to edit the information which is contained inside the NSF file and do things with that information as well.	Download It Version 1.1 Documentation
QND	QND is used to manipulate NES roms in the iNES format (.nes), it supports the latest features of said format, and can also convert to the Doctor PCJR format.	Download It Version 0.2 Documentation
Radia Decompressor	"This is a pretty limited program. All it does is extract the compressed word table from Radia into a Thingy-format TBL file."	Download It Version 1.0 Documentation
ReadChar	This utility displays the chr data of a rom. You can open a rom up in this utility, and determine where the chr data begins, or something along those lines.	Download It Version 0.2 Documentation
ROMSearcher	A program that searches through binary files, ROMs, etc.., to find hidden or encoded text.	Download It 1.0 (DOS) 1.0 (Windows) Source Code
Showcase	This program allows you to create hex values for 8x8 tiles quickly and easily. Simply draw it out, and get the hex values at the bottom. I like this program, the only problem is that it only works with two colors per sprite.	Download It Version 0.6 Documentation
TetaNES	TetaNES is a utility to convert rom images to and from Pasofami, iNES, Famicom, FFE, and raw formats. A nice utility to have around.	Download It Version 0.63 Documentation
tniNES	This utility can edit and repair headers, and split and join roms. It works specifically with the .nes format.	Download It Version 2.6 Documentation