| Title | Author | Description | Category  | Platform | Game | OS | Ver | Date |
|---|---|---|---|---|---|---|---|---|
 SmartRENES | Hyde | This program allows one to extract the compilable version of a game’s source code in a matter of seconds. Its output can be put together by just about any assembler, with a few caveats. | Assembly Tools | NES | N/A | Win | 2.0 | 28 Oct 2004 |
 Table Dumper Pro | DvD | Table Dumper Pro is a user-customizable multi-platform 8-bit disassembler, script dumper, script inserter, file compare, relative searcher, and Famicom Disk System file splitter. All functions should be easy to use for the beginner in their basic …. | Assembly Tools | NES | N/A | Win | 11.11.28 | 28 Nov 2011 |
 NES Disassembler | rveach | This is a very simple 6502 disassembler made specifically for the NES. Supports mappers 0, 3 and 7. | Assembly Tools | NES | N/A | Win | 1.0b2 | None |
 DCC6502 | Tennessee Carmel-Veilleux | DCC6502 is a command line multi-platform 6502 dissassembler. This dissassembler has many options, including Nintendo register commenting which is really useful for the NES/Famicom ROM hacker. https://github.com/tcarmelveilleux/dcc6502/ | Assembly Tools | NES | N/A | Win | 2.x Git | 02 Sep 2018 |
| nbasic | Bob Rost | nbasic is a high-level programming language designed for the 6502 processor, the main CPU of the Nintendo Entertainment System. It has BASIC-like program flow, relying on goto, gosub, and return for most execution flow. It also has no dynamic memory …. | Assembly Tools | NES | N/A | Indep | 1.0 | 14 Mar 2014 |
| KompreSS | Sukasa | KompreSS is a VB.NET-based compression and decompression DLL for Kirby’s Adventure (NES) and Kirby Super Star(SNES). It was based off documentation of the format written by Parasyte. Usage directions are in the README. UPDATE March 5th: A m…. | Assembly Tools | NES | Kirby's Adventure | Win | 1.0.2 | 05 Mar 2005 |
 NESICIDE2 | Christopher S. Pow | NESICIDE is an Integrated Development Environment for the 8-bit Nintendo Entertainment System. With it you will be able to create NES games without the need for external editors or build systems. Everything from graphics designers, sound designers, c…. | Assembly Tools | NES | N/A | Win | 1.007 | None |
| NESMacDASM | Rook | Well-crafted, ready-to-run tools for the PPC Mac are increasingly difficult to find. But this command-line disassembler, NESMacDASM, runs out-of-the-box for PPC Mac users, and it features a function-identification ability not seen in other disassemb…. | Assembly Tools | NES | N/A | Mac OS X | 1.0 | 12 Jul 2009 |
 NES Mapper Reader / Rom Fixer / Rom Splitter | sleepy | NES Mapper Reader / Rom Fixer / Rom Splitter
Programmed by: Shawn M. Crawford [sleepy]
Last Update: February 19th, 2017
Latest Version: 2.0
Coded in C#, Requires .NET 3.5
This utility will:
| Assembly Tools | NES | N/A | Win | 2.0 | 19 Feb 2017 |
 2500AD 6502 Assembler | OEM | 2500AD is a 6502 assembler used by some Chinese programmers to program pirate Famicom games. This assembler and linker can also be used with some source code on this site. Boogerman, Pocahontas, Subor music code and Super Shinobi music code to nam…. | Assembly Tools | NES | N/A | DOS | 5.03 | 17 Nov 1993 |
| x6502 Ricoh 2A03 Disassembler | MarkGrass | x6502 is a simple commandline utility that can be used to disassemble NES ROM data. Disassembled output can be used in a variety of assemblers. Features include automatic labeling of all jump, branch and sub routines (optional), any area and si…. | Assembly Tools | NES | N/A | Win | 1.2.0.0 | 04 Sep 2015 |
 ConsoleIDE | yellokrow | ConsoleIDE currently supports development of NES games. The IDE comes with a text, graphics, and palette editing abilities. Also after you’re done creating a game all that is left is to build the project within the IDE and launch your game in an…. | Assembly Tools | NES | N/A | Mac OS X | 0.0.1.a | 28 Jul 2017 |
 MakeINES | Quietust | A simple program for quickly building .NES files from the output of your assembler. | Assembly Tools | NES | N/A | Win | 1.0 | 10 Sep 2004 |
 NESRevPlus | Morgan Johansson | An intelligent disassembler, originally written by Kent Hansen but ported to native Windows by Morgan Johansson. NESRevPlus is a disassembler which allows you to disassemble 32K and 16K iNES-ROMs. It’s a multi-pass disassembler which means it…. | Assembly Tools | NES | N/A | Win | 0.3b | 06 Jun 2012 |
 Cmos 6502 | Iondogatus | Cmos6502.xls it is (in general) Slow Disassembler with fully open source, support alternative Intel code, and support Chr banks disassembler, like tile molester or tile layer pro. It write inside msoffice excel VBA 6.0, therefore it must be compat…. | Assembly Tools | NES | N/A | Win | 0.9 | 31 Dec 2019 |
 The Battle of Olympus (de)compression suite | abw | A pair of decompression/compression tools for working with the RLE and Huffman + RLE compression formats used in The Battle of Olympus. Requires perl to run. | Compression / Decompression | NES | The Battle of Olympus | Indep | 1.0 | 24 Mar 2018 |
 Sapros | Dan | Sapros is a simple file corruptor that utilises the CDL files produced by FCEUXD to provide added precision to the corruption process. | Corrupters | NES | N/A | Win | 0.1.2 | 31 Jan 2005 |
 Permanent Game Genie | rdurbin | This program allows you to open an NES rom and type a game genie code. The change is PERMANENT, so be sure to make a backup before you start adding cheat codes. The program converts it to a hex address and puts a value into it. The codes become perma…. | Corrupters | NES | N/A | Win | 1.0 | 02 Mar 2002 |
 Rampart Extraction / Insertion Tools | rainponcho | These are utilities for extraction and insertion of parts of the game Rampart that are encrypted. These will be useful for anyone who wishes to translate the game into other languages other than Japanese. | Data Extraction / Insertion | NES | Rampart (Konami) | Win | 1.0 | 22 Apr 2017 |
 Dragon Warrior Shop Editor | sleepy | DragonWarriorShopEditor 1.0.1.28437
Coded by: Shawn M. Crawford [sleepy9090]
February 8, 2018
| Data Extraction / Insertion | NES | Dragon Warrior | Win | 1.0.1.2843 | 08 Feb 2018 |
