NEWS (Credits to /vg/hbg/)
-fasthax released, meaning CFW for everyone
-Freeshop github was DMCA'd. Install using >>164573115
-Sighax has been described as a likely successor to a9lh, and should simplify the process for unhacked consoles.
-Soundhax replaces Browserhax as go-to entrypoint and works on 11.2 and below.

>How to run homebrew
https://3ds.guide/homebrew-launcher-(soundhax)
Reminder for non-cfw users to install a secondary homebrew entry-point before Soundhax is fixed by 11.3.
List of secondary entry-points - http://www.3dbrew.org/wiki/Homebrew_Exploits

>How to install CFW
https://3ds.guide
>Read the whole guide carefully before following it, including the warnings and recommendations
>Ask for help ITT or in >>>/vg/hbg/

>I have Homebrew, What now?
If you are on N3ds, You can do QR injections and savefile editing.
If you are on O3ds, you can do savefile editing only
If you can’t be fucked to move your savefile to PC but want to do minor edits to your savefile – see PKSM subsection

>I have CFW, What now?
You can do QR injections and savefile editing (Both Old and New 3ds).

>QR injection
http://pastebin.com/7gQGby2g

>Savefile Editing
http://pokemonforever.com/Thread-TUTORIAL-Pkhex-for-11-2-0-35-using-soundhax

>PKSM
https://github.com/BernardoGiordano/PKSM/releases

>For ROM-hacking stuff
http://pastebin.com/zmH9KsGd

REMEMBER TO BACKUP YOUR SAVES BEFORE INJECTING OR SAVE EDITING.

>If you want to make a request:

RULES (read!): http://pastebin.com/GFZKHhaE
Pkhex: http://pastebin.com/1CgssPrV

>QR Code Guide
http://pastebin.com/sTHDtrDS
>Recommended shitmons to use: Paras, Goldeen, Morelull, Cosmoem, Misdreavus. Alternatively, Stone Eeveelutions in the mid-teens or in the 40s.

>Ready-made legal templates: https://mega.nz/#!LgYTjDQT!jD39cgcHmo9sfeAApao3GIBoPrjHI3aZv2AAe4vxIzQ

If you are an injector please tell the person when you have sent them their Pokemon in order to avoid confusion. Remember, no Mega Stones or trade evolutions on the GTS.