MCP server that exposes Ghidra's reverse engineering capabilities as 200+ tools for AI assistants, via a GUI plugin and headless server.
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
A bridge/proxy allowing you to connect to Minecraft: Java Edition servers with Minecraft: Bedrock Edition.
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
Plugin for JADX to integrate MCP server
A p2p, secure file storage, social network and application protocol
🤖 MateClaw — Your second brain with Multi-Agent Orchestration, MCP Protocol, Skills & Memory, Dream, and Multi-Channel Support. Built on Spring AI Alibaba.
IrScrutinizer is a program for IR signal analysis, decoding, generation and much more.
The Java gRPC implementation. HTTP/2 based RPC
Open source GPS tracking platform - self-hosted or managed, 200+ device protocols
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Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
Java implementation of the Tron whitepaper
SOFARPC is a high-performance, high-extensibility, production-level Java RPC framework.
The Data Transfer Project makes it easy for platforms to build interoperable user data portability features. We are establishing a common framework, including data models and protocols, to enable direct transfer of data both into and out of participating online service providers.
🔥 Java enterprise application development framework for full scenario: Restrained, Efficient, Open, Ecologicalll!!! 700% higher concurrency 50% memory savings Startup is 10 times faster. Packing 90% smaller; Compatible with java8 ~ java26; Supports LTS. (Replaceable spring)
Confluent Schema Registry for Kafka
Java language server
Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.
A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR). Website:
🦎 A lightweight, multi-protocol gateway for event-driven applications and AI agents. Expose and govern Kafka, MQTT, APIs, and MCP through one high-performance engine with shared routing, security, schema, and observability.
Open source Java implementation for Raft consensus protocol.
Provides read and write access to the Minecraft protocol with Bukkit.
IoT DC3 — Connect the Physical World to AI. An open-source Industrial IoT Runtime for Physical AI: 36 protocol drivers, edge-to-cloud data delivery, and an MCP tool gateway so AI agents act on devices in a safe, controllable, traceable loop.
Java language binding for writing Appium Tests, conforms to W3C WebDriver Protocol
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
QuickFIX/J is a full featured messaging engine for the FIX protocol. - This is the official project repository.
HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
dnsjava - an implementation of the DNS protocol in Java
PacketEvents is a protocol library tailored to Minecraft Java Edition, designed to facilitate the processing and transmission of packets.
A library for communication with a Minecraft client/server.
Use Apache Causeway™ to rapidly develop domain-driven apps or modular monoliths in Java, on top of the Spring Boot platform. Write your business logic in entities, domain services or view models, and the framework dynamically generates a representation of that domain model as a webapp, GraphQL or RESTful API. For prototyping or production.
List of Programs related to data structures and algorithms
A Java implementation of the language server protocol intended to be consumed by tools and language servers implemented in Java.
Java Library for LWM2M
RSKj is a Java implementation of the Rootstock protocol.
Minecraft Fabric mod that allows you to join every Minecraft server version (Classic, Alpha, Beta, Release, April Fools, Bedrock)
Standalone proxy which allows players to join EVERY Minecraft server version (Classic, Alpha, Beta, Release, Bedrock)
Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing
XiPKI: Compact open source PKI (CA, OCSP responder, certificate protocols ACME, CMP, EST, SCEP), with full support of PQC MLDSA (Dilithium) and MLKEM (Kyber).
Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)
Official Java SDK for the Agent2Agent (A2A) Protocol
A QUIC client, client library and server implementation in Java. Supports HTTP3 with "Flupke" add-on.
XS-NET 是面向长连接、持久化玩家状态与多节点扩展的 Java 游戏服务器框架,适用于 MMORPG/RPG、SLG、卡牌回合制及房间副本类游戏。基于 Pekko Actor 分片管理玩家、场景与战斗实体,支持 TCP、UDP、KCP、WebSocket、Protobuf RPC、多端 SDK,以及 Redis 缓存和 PostgreSQL 异步持久化。
Emporia is a microservices-based trading platform built with Spring Boot, React and PostgreSQL, featuring real-time market data, order management, execution strategies, and OAuth2 security.
Android device bridge for Claude Code via MCP + Shizuku. No root, no model polling.