jetty / jetty.project
Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more
jetty / jetty.project
yacy / yacy_search_server
Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance
fabric8io / kubernetes-client
Java client for Kubernetes & OpenShift
Loophole-LLC / Bastillion
Bastillion gives you a clean, browser-based way to manage SSH access across all your systems—like a bastion host with a friendly dashboard.
apache / linkis
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
wildfly / wildfly
WildFly Application Server
igniterealtime / Openfire
An XMPP server licensed under the Open Source Apache License.
thymeleaf / thymeleaf
Thymeleaf is a modern server-side Java template engine for both web and standalone environments.
opensolon / solon
🔥 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)
reactor / reactor-netty
TCP/HTTP/UDP/QUIC client/server with Reactor over Netty
UniversalMediaServer / UniversalMediaServer
A DLNA, UPnP and HTTP(S) Media Server.
eclipse-jdtls / eclipse.jdt.ls
Java language 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.
magefree / mage
XMage - Magic Another Game Engine
EssentialsX / Essentials
The modern Essentials suite for Spigot and Paper.
PaperMC / Velocity
The modern, next-generation Minecraft server proxy.
webbukkit / dynmap
A set of Minecraft mods that provide a real time web-based map system for various Minecraft server implementations.
plantuml / plantuml-server
PlantUML Online Server
Pugmatt / BedrockConnect
Join any Minecraft Bedrock Edition server IP on Xbox One, Nintendo Switch, and PS4/PS5
apache / tinkerpop
Apache TinkerPop - a graph computing framework
IzzelAliz / Arclight
A Bukkit(1.20/1.21) server implementation in modding environment using Mixin. ⚡
zalando / logbook
An extensible Java library for HTTP request and response logging
microcks / microcks
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
spring-cloud / spring-cloud-config
External configuration (server and client) for Spring Cloud
geotools / geotools
Official GeoTools repository
apache / eventmesh
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
apache / guacamole-client
The Apache Guacamole web application, official extensions, and JavaScript library.
SpigotMC / BungeeCord
BungeeCord, the 6th in a generation of server portal suites. Efficiently proxies and maintains connections and transport between multiple Minecraft servers.
spring-guides / tut-spring-security-and-angular-js
Spring Security and Angular:: A tutorial on how to use Spring Security with a single page application with various backend architectures, ranging from a simple single server to an API gateway with OAuth2 authentication.
aklivity / zilla
🦎 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.
cloudfoundry / uaa
CloudFoundry User Account and Authentication (UAA) Server
aws / serverless-java-container
A Java wrapper to run Spring, Spring Boot, Jersey, and other apps inside AWS Lambda.
ebean-orm / ebean
Ebean ORM
TiangongCraft / Tenet
Minecraft Forge Hybrid server implementing the Spigot/Bukkit API, formerly known as Thermos/Cauldron/MCPC+
eclipse-milo / milo
Eclipse Milo™ - an open source implementation of OPC UA (IEC 62541).
joey-zhou / xiaozhi-esp32-server-java
小智ESP32的Java企业级管理平台，提供设备监控、音色定制、角色切换和对话记录管理的前后端及服务端一体化解决方案
infinispan / infinispan
Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.
SkriptLang / Skript
Skript is a Paper plugin which allows server admins to customize their server easily, but without the hassle of programming a plugin or asking/paying someone to program a plugin for them.
lucko / spark
A performance profiler for Minecraft clients, servers, and proxies.
LINBIT / linstor-server
High Performance Software-Defined Block Storage for container, cloud and virtualisation. Fully integrated with Docker, Kubernetes, Openstack, Proxmox etc.
OpenLiberty / open-liberty
Open Liberty is a highly composable, fast to start, dynamic application server runtime environment
hivemq / hivemq-community-edition
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
pentaho / mondrian
Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.
casid / jte
Secure and speedy templates for Java and Kotlin.
vert-x3 / vertx-web
HTTP web applications for Vert.x
codelibs / fess
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
steve-community / steve
SteVe - OCPP server implementation in Java. Your trusted open-source EV charging station management system since 2013. Used by CPOs, manufacturers and developers worldwide. Managed cloud →
microsoft / mssql-jdbc
The Microsoft JDBC Driver for SQL Server is a Type 4 JDBC driver that provides database connectivity with SQL Server through the standard JDBC application program interfaces (APIs).
apache / ofbiz-framework
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
Winds-Studio / Leaf
A Paper fork focused on finding the balance between performance, vanilla mechanics, and stability
kingston-csj / jforgame
jforgame是一个一站式游戏服务器开发框架。包含游戏服务器开发所需要的各种组件，比如socket服务端与客户端，高性能线程模型，自定义二进制消息编解码，自定义orm工具，异步持久化方案，游戏热更新，配置表自动化仓库，游戏通用工具等等，同时提供大量业务案例以供学习。亦可用于其他socket应用，例如及时聊天等。
apache / mina-sshd
Apache MINA sshd is a comprehensive Java library for client- and server-side SSH.
apache / james-project
Emails at the heart of your business logic!
plan-player-analytics / Plan
Player Analytics plugin for Minecraft Server platforms - View player activity of your server with ease. :calendar:
PlayPro / CoreProtect
CoreProtect is a blazing fast data logging and anti-griefing tool for Minecraft servers.
dromara / dante-cloud
🐉 Dante Cloud 是支持阻塞式与响应式服务并行的微服务云原生基座和面向AI Agent开发的智能基座，基于领域驱动模型（DDD）设计，以高质量代码与低安全漏洞为核心，高度模块化、组件化，覆盖IoT设备认证、国家等保三级、接口国密数字信封加密等多层次安全体系，并提供多租户解决方案。独创“一套代码实现微服务和单体架构灵活切换”，赋能企业级智能应用构建。🔝🔝点个star 持续关注更新！
86dbs / dbsyncer
DBSyncer（简称dbs）是一款开源的数据同步中间件，提供MySQL、Oracle、SqlServer、PostgreSQL、Elasticsearch(ES)、Kafka、File、SQL等同步场景。支持上传插件自定义同步转换业务，提供监控全量和增量数据统计图、应用性能预警等。
apereo / java-cas-client
Apereo Java CAS Client