Save data copier between MK7 and CTGP-7
An editor/save manager for the Girls Mode/Girls Style/Style Savvy/Style Boutique games, on Nintendo 3DS
Work in progress Animal Crossing: New Leaf save manager & editor for the Nintendo 3DS!
This is LeafEdit's Pattern Editor as a separate app as well!
JK's Save Manager for 3DS
Samus Returns: Amiibo Unlocker
A specialized save manager for AC:NL
A portable save editor for Animal Crossing: New Leaf on the Nintendo 3DS
A 3DS homebrew that allows you to read, write, and erase save files from NDS cartridges
Pokémon Dream Radar Savegame Editor for 3DS