| Zelda Improvement | _Demo_ | A Legend of Zelda level editor.
Note: Requires DOS4GW.EXE to run. | Level Editors | NES | The Legend of Zelda | DOS | .01 | 02 Mar 1998 |
| Zelda 2 Editor | Dwedit | A Zelda II editor. | Level Editors | NES | Zelda II: The Adventure of Link | DOS | 4.10b | 10 Apr 2000 |
| Ycompress - Yoshi's Island Compression Tool | FuSoYa’s Niche | This program can decompress and dump most of the graphics in Yoshi’s Island, so that they can be modified by any chosen SNES tile editor. The program can then be used to recompress and insert the graphics back into the ROM.
Instructions on us…. | Game Specific | SNES | Super Mario World 2: Yoshi’s Island | DOS | 1.00 | 27 Sep 2004 |
| XLate | Planet X Software | A classic text editor with plenty of additional features for romhacking. | Hex Editors | N/A | N/A | DOS | 3.0pre | 24 Dec 1997 |
| XChar | Planet X Software | 1,2,4,8bpp | Graphics Editors | Multiple | N/A | DOS | 2.0b2 | 30 Mar 1997 |
| X816 Assembler | minus | X816 is an assembler that generates machine code for the
Super NES, or more specifically the 65816. X816 is based
mainly on the assemblers seen on the C64/128 but with a few
additions to bring it up to speed for the SNES.
X816 supports the com…. | Assembly Tools | Multiple | N/A | DOS | v1.12f.199 | 08 Mar 1997 |
| Widthtabler | evo | A VWF automatic width table creation tool. This currently works on 1 and 2 bit plane fonts(gb/snes). It can also work though on 3 4 5 etc. bitplanes if they are consecutive. | Assembly Tools | Multiple | N/A | DOS | 1.0 | 07 Jun 2006 |
| WCEdit | SnowBro | A Wrecking Crew level editor. | Level Editors | NES | Wrecking Crew | DOS | 1.0 | 27 Sep 1998 |
| Visor | LordEsnes | 2bpp, 4bpp | Graphics Editors | Multiple | N/A | DOS | .01 | 05 Jun 1997 |
| Visine | Fx3 | A Megaman 1 & 2 level editor. | Level Editors | NES | Multiple Games | DOS | 2.82 | 27 Oct 2002 |
| VHex | Jay | A tableless text editor/viewer written by Jay. | Hex Editors | N/A | N/A | DOS | 1.1.1 | 24 Apr 1998 |
| UniROM | _Bnu | This is an older hex editor with support for DTE, MBE and a few other features. It was good in it’s time but not so useful now. | Hex Editors | N/A | N/A | DOS | 0.60 | 23 Oct 1998 |
| UIPS | Neill Corlett | This is a basic command line IPS patching utility. | Patching | Multiple | N/A | DOS | 1.0 | 26 Jul 1999 |
| Ucon | Chicken / chp | A ROM conversion, IPS patching, and general information gathering utility for SNES and Genesis roms. | Patching | Multiple | N/A | DOS | 1.41 | 01 Oct 1994 |
| TURACO CL | Scott Lawrence | TURACO CL allows the graphics stored inside certain arcade games to be extracted, and rebuilt allowing you to modify or add completely new graphics to the game using external paint tools. Driver package 1.1 is included. | Miscellaneous Graphics Tools | ARC | N/A | DOS | 0.8 | 30 May 2003 |
| TURACO (The Ultimately Radical Arcade Operator) | Scott Lawrence | TURACO allows the graphics stored in certain arcade games to be edited allowing you to modify or add completely new graphics to the game. There will be support for editing text strings, maps, and attributes of some games in future versions. This edit…. | Graphics Editors | ARC | N/A | DOS | 1.1.3 | 04 Oct 1999 |
| Tune 2600 | Thomas Jentzsch | This is a program to test various distortions and frequencies to help in designing a sound driver or making music with an existing music driver. | Sound | 2600 | N/A | DOS | 0.5 | None |
| TRaCER | Y0SHi | A 6502/65816 (NES/SNES) disassembler for MS-DOS, written in Borland Pascal. Supports numerous flags and features for ease-of-use. Output is generally intended for x816 or Tricks Assembler. | Assembly Tools | N/A | N/A | DOS | 1.39 | 24 Apr 1997 |
| TOSS | Keith Gerdes | TOSS (To Sega Saturn) converts graphic files to Saturn’s .CEL, .MAP and .PAL files. TOSS supports 256-color .BMP, .LBM, .PCX, and .TGA thru the Allegro library. Optionally, it can create a .TEX file, useful for sprites. | Miscellaneous Graphics Tools | SAT | N/A | DOS | 0.3 | 01 Mar 1999 |
| TIMmay | Klarth | TIM file format PSX graphic ripper and reinserter. (Source included) | Graphics Editors | PSX | N/A | DOS | 0.3 | 30 Sep 2003 |
