RaphiMC

ImmediatelyFast

Speed up immediate mode rendering in Minecraft

ViaBedrock

ViaVersion addon to add support for Minecraft: Bedrock Edition servers

JavaDowngrader

Standalone program and library which can downgrade Java classes/programs down to Java 8

MinecraftAuth

Simple and easy to use Minecraft microsoft authentication library (Java and Bedrock)

OpenAuthMod

Open source minecraft authentication protocol for proxies

NoteBlockLib

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

NetMinecraft

Easy to use low-level networking library for Minecraft

ClassTokenReplacer

Gradle plugin to replace string tokens in class files during compile time

NoteBlockTool

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

Ars-Nouveau

Repository for the Ars Nouveau minecraft mod. https://www.curseforge.com/minecraft/mc-mods/ars-nouveau

geckolib

GeckoLib is an animation engine for Minecraft mods, with support for complex 3D keyframe-based animations, numerous easings, concurrent animation support, sound and particle keyframes, event keyframes, math-based animations, and more. Available for all major modloaders.

Geyser

A bridge/proxy allowing you to connect to Minecraft: Java Edition servers with Minecraft: Bedrock Edition.

GeyserSite

Website source for Geyser.

GeyserWiki

The GeyserMC wiki.

NBUltimate

Network

Network components

Protocol

A protocol library for Minecraft Bedrock Edition

ViaBackwards

Allows the connection of older clients to newer server versions for Minecraft servers.

ViaVersion

Allows the connection of newer clients to older server versions for Minecraft servers.

BedrockItemUpgradeSchema

JSON schemas for upgrading items saved on older Minecraft: Bedrock world saves

MCXboxBroadcast

A simple Geyser extension that broadcasts the server over Xbox Live.