| 1964 Tracer | g8z et al | A custom build of the emulator 1964 featuring a tracer, a memory logger, and the ability to dump RDRAM and SPRAM. This uses a "hook" system which is similar to a breakpoint, except it logs where the hook occurs to a text file instead of snapping a de.... | Debuggers / Special Emulators | N64 | N/A | Win | 0.8.3 | Int |
| A Simple Pointer Table Recalculator | Prez | Just as the name of the program would indicate, this is a simple pointer table recalculator. No fuss, no muss. | Pointers | Multiple | N/A | DOS | 1.0 | Beg |
| A.G.E. Arcade Games Editor | Ivan Mackintosh | AGE allows the graphics inside certain arcade games to be edited, allowing you to modify or add completely new graphics to the game. There is support for editing text strings, maps, and attributes of some games as well. This editor supports over 70+ .... | Graphics Editors | ARC | N/A | DOS | 0.7b | Beg |
| A22I | Martin Korth | The assembler included in no$gmb. This is compatible with both the Z80 instruction set as well as the Gameboy specific instructions. | Assembly Tools | GB | N/A | Win | 1.0 | Beg |
| AcidPhire NES Header Checker | AcidPhire | A simple program that is able to edit iNES headers. If your ROM is not creating SRAM for some mysterious reason it could be that it's header isn't set for SRAM. This program can fix that. | Miscellaneous | NES | N/A | Win | 1.0 | Beg |
Advance Palette Editor [APE] | HackMew | A program to edit palettes in GBA ROMs. Handle LZ77 compressed palettes. Allows you to both enter manual address and search for palette as well. | Palettes | GBA | N/A | Win | 1.3.3 | Int |
| Advance-Mart | Scizz | Tool to edit the Items sold in Mart, as well as to edit Item properties. | Game Specific | GBA | Multiple Games | Win | 6.5.2 | Beg |
Advance-Text | Scizz | Text Editor for all Pokémon Advance games. | Script Extraction / Insertion | GBA | Pokémon FireRed | Java | 3.1.1 | Int |
Agave | master higgins | This is an editor for levels of Adventure Island 3. Currently edits enemy data (position and appearance), scene data (change one screen to another) and Higgins (the hero) initial vertical position. Has support for bank changing to choose enemies and .... | Level Editors | NES | Adventure island 3 | Java | 1.21 | Int |
| aNESe | Hyde | aNESe is yet another Nintendo Entertainment System emulator. Graphics and sound are output through the excellent Allegro graphics library. Works with SmartRENES. | Debuggers / Special Emulators | NES | N/A | Win | 4.0 | Beg |
| Angelique Tile Editor | John Flemming | This utility edits 12x12 1bpp fonts which is found in Angelique and possibly some other games. | Game Specific | SNES | Angelique | DOS | 0.9b | Beg |
AppleJuice | Mega-Dog | A G.I. Joe Level Editor. | Level Editors | NES | G.I. Joe | Win | 0.4 | Int |
Aridia | Hugues Johnson | Open source editor for Phantasy Star III, supports editing: character stats & inventory, enemy stats, all game text, title logo & font, weapons & items and more. | Game Specific | GEN | Phantasy Star 3 | Win | 1.4 | Beg |
Arkalavista | Trax | Level Editor for the US version of Arkanoid. | Game Specific | NES | Arkanoid | Mac OS X | 1.0 | Beg |
ArkEdit | Mega-Dog | This editor will edit all levels for both the Japanese and U.S. versions of Arkanoid. | Level Editors | NES | Arkanoid | DOS | .80b | Beg |
| ASM2Hex | LordTech | An outdated alternative to xkas. A couple examples provided. | Assembly Tools | SNES | N/A | DOS | 1.0 | Adv |
AstyaEd | Mega-Dog | Here's an Astyanax editor for Windows with an installer. | Level Editors | NES | Astyanax | Win | 1.0 | Beg |
| Atlas | Klarth | Atlas is a dedicated, extensible script insertion utility capable of dealing with scripts of advanced complicity. | Script Extraction / Insertion | Multiple | N/A | Win | 1.06 | Beg |
BatDance | Mega-Dog | Batdance is a level editor for Batman. | Level Editors | NES | Batman | Win | 0.40 | Beg |
| BBD to SRM | JCE3000GT | This converts Super Wild Card Battery Backup Data (BBD) files to emulator-compatable SRM files. | Miscellaneous | SNES | N/A | Win | 1.0 | Beg |