modelcontextprotocol / java-sdk

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

GeyserMC / Geyser

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

zinja-coder / jadx-ai-mcp

Plugin for JADX to integrate MCP server

PurpurMC / Purpur

Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.

hapifhir / hapi-fhir

🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers

smithy-lang / smithy

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

LuckPerms / LuckPerms

A permissions plugin for Minecraft servers.

SpigotMC / BungeeCord

BungeeCord, the 6th in a generation of server portal suites. Efficiently proxies and maintains connections and transport between multiple Minecraft servers.

ViaVersion / ViaVersion

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

lucko / spark

A performance profiler for Minecraft clients, servers, and proxies.

higress-group / himarket

HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." It is not merely a simple aggregation of traditional APIs, but rather a comprehensive platform that packages, publishes, manages, and operates core AI assets such as enterprise Model APIs, MCP Servers, Agent APIs, etc., through standardized product formats.

PlayPro / CoreProtect

CoreProtect is a blazing fast data logging and anti-griefing tool for Minecraft servers.

tls-attacker / TLS-Attacker

TLS-Attacker is a Java-based framework for analyzing TLS libraries. It can be used to manually test TLS clients and servers or as as a software library for more advanced tools.

eclipse-lsp4j / lsp4j

A Java implementation of the language server protocol intended to be consumed by tools and language servers implemented in Java.

etianl / Trouser-Streak

A compilation of modules optimized for maximum grief. Featuring powerful mods for Chunk Tracing, Base Hunting, and Griefing servers! A few modules were not originally written by me, but have been modified. Customer Service: https://www.breakblocks.com/discord

ViaVersion / ViaBackwards

Allows older clients to connect to newer server versions for Minecraft servers.

jpenilla / squaremap

squaremap is a minimalistic and lightweight world map viewer for Minecraft servers, using the vanilla map rendering style

Waffle / waffle

Enable drop-in Windows Single Sign On for popular Java web servers.

HelpFreedom / claude-bridge

Mirror and control Claude Code sessions from your phone — direct, no servers. LAN + p2p tunnel (iroh).

sskaffy / Realistic-Water

A Minecraft mod that adds the realistic waters and sands from Blender animations!