This is a GitHub repo housing several tools I created to work with several Taiko no Tatsujin related files/formats.
What each tool does should be relatively clear based on each project's name.
NamcoBnsfTool
TaikoFontAtlasTool
TaikoFumenEncryptDecrypt
TaikoFumenTimingReplace
TaikoNijiiroOmnimixTool
TaikoNus3bankMake
TaikoSongConversionTool
TaikoVitaSongTextureTool
TaikoWiiUSongTextureTool
TjaOffsetNeutralise
TjaBatchConvert