| Title | Author | Description | Category | Platform  | Game | OS | Ver | Date |
|---|---|---|---|---|---|---|---|---|
 Nuts & Milk Editor | smkdan | It manages free space as you save so larger or smaller levels are possible. You can reduce (not increase) the amount of levels in the game and change their type. The readme has a few other details if you’re interested. | Level Editors | NES | Nuts & Milk | Win | 1.2 | 13 May 2008 |
 Gimmick! Editor | smkdan | Edits levels, metatiles, palettes, checkpoints, sprites and music along with the titlescreen. Just about everything required to completely customize a level. It’s a .NET 2.0 application which has seen limited success running on Mono. | Level Editors | NES | Mr. Gimmick | Win | 0.13 | 14 Mar 2009 |
 MK Items | smkdan | A program that allows easy editing of item probabilities. | Game Specific | SNES | Super Mario Kart | Win | 1.0 | 08 May 2007 |
[1]