open_agb_firm is a bare metal app for running GBA homebrew/games using the 3DS builtin GBA hardware.
Compiled Luma and plugin
Noob-proof (N)3DS "Custom Firmware"
GodMode9 Explorer - A full access file browser for the Nintendo 3DS console :godmode:
An uncreatively named GodMode9 fork for installing 3DS cartridge games directly to the SD