- .ONE - HeroesONE-Reloaded
- .TXD - MagicTXD v1.1
- .DFF - DragonFF for Blender or RWIO plugin for 3DSMax
- .MTP & .BON - ShadowMTPSharp & Blender-3D-STH-Mtn-plugin
- .FNT - Subtitles and Linked Audio Triggers - ShadowTH Text Editor / FNT Editor
- .AFS - Audio archive containing .ADX with all the voice lines - ShadowTH Text Editor / FNT Editor
- .ADX - Game Music, Event Audio, Voicelines - VLC Media Player and MPV can preview these without converting. For converting to/from consider radx or VGAudio
- stgXXXX geometry, visibility, collision / layout _cmn / layout _hrd / layout _ds1 / layout _nrm / lighting file _light - Heroes Power Plant
- CharacterMods - repo containing model swaps and custom models
- ShadowMTPSharp - library for importing/exporting MTP data (Animation archives)
- ShadowMotionSwapper - program to accelerate making "Custom BON" type Character Mods from swapping
- Widescreen-ShadowTH - A standalone widescreen mod that can be applied to the original NTSC-U and PAL versions for GameCube
- ShdTH-Reloaded - Shadow the Hedgehog: Reloaded is an improvement mod of Shadow the Hedgehog designed to make the game less tedious, increase challenge, fix bugs and oversights, restore some unused content, and generally remix levels
- 2P-ShdTH - A 2P multiplayer mod for the original Shadow the Hedgehog GameCube NTSC-U
- 2P-Reloaded - 2P multiplayer version of the Shadow the Hedgehog: Reloaded v1.2 Mod
- ShadowRando - A randomizer for Shadow the Hedgehog (GameCube NTSC-U), allowing you to randomize stage routing, enemy placement, weapons, subtitles, audio, and more
- Shadow Speedrun Repos
- ShadowSX
- Autosplitter