This is the code of NBT Tag Code Maker, a code maker and a RTM (Real Time to Modding) tool to edit Minecraft Wii U creative inventory with a lot of options.
You can compile this with Microsoft Visual Studio or with other development software in C#.
DAIDO0 or 少年革命家のんちゃんチャンネル for making the 1st version.
nt games for making the translation of the 1st version and for making the code of the 2nd version.