GeyserMC / Geyser

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

dmulloy2 / ProtocolLib

Provides read and write access to the Minecraft protocol with Bukkit.

retrooper / packetevents

PacketEvents is a protocol library tailored to Minecraft Java Edition, designed to facilitate the processing and transmission of packets.

MrMicky-FR / FastBoard

Lightweight packet-based scoreboard API for Bukkit plugins, with 1.7.10 to 26.2 support.

CryptoMorin / XSeries

Library for cross-version Minecraft Bukkit support and various efficient API methods.