There are 3 repositories under nintendo-gamecube topic.
WIP: A curated list of Nintendo GameCube development resources including toolchains, documentation, emulators, example code, and more
Work in progress! Read and write gamecube controller protocol. For Teensy 3.6 / 3.2
A Standalone RARC and U8 Editor for Nintendo Wii and Nintendo GameCube Archives.
Scripts to automate conversion between GameCube and Wii console ISO files to RVZ file format
A python library for reading data from and writing data to Dol files (GC/Wii executables).
A port of donut.c to the Wii and GameCube
GCM N64 ROMS Injector is a simple ROM injector for the Nintendo 64 Emulator v2.0 released by Experience.
My popular upgraded SD2SP2 shared for all to enjoy. Nothing special over the standard SD2SP2 other than it looks much better.
UnMultiBoot let you extract games from a multi-boot Nintendo GameCube (GCM) image. This is the opposite of GCMUtility.
JavaScript port of an Adobe Flash application that decodes Mario Kart: Double Dash!! Time Trials contest passwords.
bnrtool is a tool that can extract and create Nintendo GameCube Banner (.bnr) files.
A collection of art revolving around physical video game boxes and their assets
A Wii Homebrew Project to play GC Games on Wii and vWii on Wii U
FSP Server written in C++ meant for streaming games to a Gamecube via Swiss and the broadband adapter