3DS Gaming
3DS Hacks Guide
An easy guide to hack your 3DS.
Worldcia3ds
A website available in different languages where you can download the .cia's of pretty much every DS game.
PS1 Forwarder Creator
A tool that allows you to convert PS1 .sbi file games to .cia, so you can play them in your DS.
New Super Ultimate Injector
A beta program that generates .cia files from old Nintendo game roms.
Theme Plaza
You can download themes for your 3DS for free. There's literally anything there, so... be careful.
Usagirei's 3DS Theme Editor
An easy to use program to create your own 3DS themes.