Favorite Games

Fantasy Life

Best of Solitare

Just a good solitare game

Random Ports

The Battle Cats

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Servers

Pretendo alternate server for games, friending,
rverse Miiverse
spotpassarchive
Satella Zone Nintendo Zone revival

DS games & utilities

TWilightMenu++ DS Menu
TWilightMenu++ Skins custom skins for twilight menu
ndsforwarder puts nds games on the home screen as dsiware
yanbf puts nds games on the homescreen as 3ds titles

Customization

Theme Plaza get themes, badges, and splash screens
Anenome3ds Custom themes
GYTB Custom Badges
rehid rebind button maps
remap builder make alternate maps for rehid
ctrrgbpatty customize led notifications
3dsbank makes profiles to get around the 300 title limit
Minecraft textures custom minecraft textures
CGear Skins Customize the CGear in Pokemon B/W2

Homebrew Creation

devkitARM toolchain for homebrew creation on the 3ds

Amiibo

wumiibo emulate amiibos in games
Amiibo generator generates amiibos for use with wumiibo
thenaya create amiibos from blank nfc chips

Wikis

3dbrew Lots of technical information
DS-Homebrew Various specific programs

Playing other systems games

GBARunner2 Plays GBA games in DS mode

Other

for anyone who walks a lot Gives out play coins past the 10 a day limit
gimmie 300 coins gives 300 play coins
modmoon Mod manager
stepper gba 16 step sequencer for the GBA