There are 4 repositories under nbt topic.
Python library that implements the Minecraft network protocol and data types
Add custom NBT tags to Items/Tiles/Entities without NMS!
General purpose library for Minecraft Bedrock Edition software written in Go
A node.js powered interface for E38/E39/E53 + E6x/E9x BMW vehicles (Client side)
A full-featured Rust crate for working with Minecraft's Named Binary Tag (NBT) file format, including Serde support.
The ultimate all-in-one solution for modding your Minecraft worlds! Supporting all platforms and all versions of Minecraft, Lodestone is truly one of a kind. Some of its features include: an NBT Editor, a GRF Editor, a World Converter, and a lot more, with support for community-built extensions and plugins too!
Kotlin NBT library for kotlinx.serialization
A cross-platform NBT editor built on the web!
A plugin for bukkit servers, which aims to reduce the lag that the server experiences by combining several entities into a single entity.
Minecraft server implementation in C#
Highly optimized and lightweight minecraft server written in Rust
A Python and Cython library for reading and writing binary NBT and stringified NBT.
Una's NBT Editor - an advanced interactive command-line NBT editor
Modded structure cleaner for Minecraft. Removes all references to non-existent structures to allow for clean error logs and chunk saving.
A library to read and write NBT files on the web!
An easy to use encoder and decoder for the NBT format
Provides support for encoding and decoding Minecraft's NBT format. This crate supports both zlib and gz compression, and also provides tools for converting NBT data to stringified NBT (SNBT) and vice versa.
A simple, lightweight NBT parsing library