hshop
3dsiso.com
WARNING!!! this site does contain piracy if that bothers you
gbatemp.com
forumn for discussing video games, but also includes sections for hacking in each console's section!
what can homebrewing my consoles do for me?
this can give accsess to internal system information, and you'll be able to modify and edit all files within your console
along with this: there is a huge community of people currently developing hb apps for several consoles, which you can install and use on your hacked system
Nintendo 3ds
Nintendo 2ds
Nintendo New 3ds
I use Luma3DS cfw and NTRBoot for hacking!