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

Minecraft Note Block Tuning Plugin

Java program to convert .nbs files to .mid

An addon to add full support for NoteBlockAPI

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

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

Minecraft Note Block User Interface

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

Minecraft Note Block User Interface