A mod plays noteblock nicely for you!

Library for reading, writing, manipulating and playing Minecraft note block songs

Tool for importing, exporting, batch manipulating and playing Minecraft note block songs

A fabric mod for playing .nbs files

Records noteblock packets, and stores them in a .json file

An addon to add full support for NoteBlockAPI

Java program to convert .nbs files to .mid

It's a simple notepad/noteblock with two styles: Dark and Light.

A simple java library to read and write .nbs files from Note Block Studio.

Minecraft Note Block User Interface