eclipse-vertx / vert.x
Vert.x is a tool-kit for building reactive applications on the JVM
eclipse-vertx / vert.x
GoogleContainerTools / jib
🏗 Build container images for your Java applications.
jwtk / jjwt
Java JWT: JSON Web Token for Java and Android
Activiti / Activiti
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
checkstyle / checkstyle
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
apache / iceberg
Apache Iceberg
karatelabs / karate
Test Automation Made Simple
react-native-image-picker / react-native-image-picker
:sunrise_over_mountains: A React Native module that allows you to use native UI to select media from the device library or directly from the camera.
Graylog2 / graylog2-server
Free and open log management
traccar / traccar
Open source GPS tracking platform - self-hosted or managed, 200+ device protocols
wiremock / wiremock
A tool for mocking HTTP services
getActivity / AndroidProject
Android 技术中台，但愿人长久，搬砖不再有
jetlinks / jetlinks-community
JetLinks 基于Java,Spring Boot ,WebFlux,Netty,Vert.x,Reactor等开发, 是一个全响应式的企业级物联网平台。支持统一物模型管理,多种设备,多种厂家,统一管理。统一设备连接管理,多协议适配(TCP,MQTT,UDP,CoAP,HTTP等),屏蔽网络编程复杂性,灵活接入不同厂家不同协议等设备。实时数据处理,设备告警,消息通知,数据转发。地理位置,数据可视化等。能帮助你快速建立物联网相关业务系统。
AsyncHttpClient / async-http-client
Asynchronous, non-blocking HTTP & WebSocket client for the JVM
apache / nifi
Apache NiFi
obsidiandynamics / kafdrop
Kafka Web UI
strimzi / strimzi-kafka-operator
Apache Kafka® running on Kubernetes
liquibase / liquibase
Main Liquibase Source
TommyLemon / Android-ZBLibrary
🔥 Android MVP 快速开发框架，做国内 「示例最全面」「注释最详细」「使用最简单」「代码最严谨」的 Android 开源 UI 框架。 🔥 An Android MVP Framework with many demos, detailed documents, simple usages and strict codes.
rubenlagus / TelegramBots
Java library to create bots using Telegram Bots API
pmd / pmd
An extensible multilanguage static code analyzer.
LFDT-web3j / web3j
Lightweight Java and Android library for integration with Ethereum clients
zfdang / Android-Touch-Helper
AdSkip — an Android assistant for automatically skipping app launch ads
iflytek / skillhub
Self-hosted, open-source agent skill registry for enterprises. Publish & version skill packages, govern with RBAC and audit logs, deploy on-premise with Docker or Kubernetes.
bitcoinj / bitcoinj
A library for working with Bitcoin
line / armeria
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.
jankotek / mapdb
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
mock-server / mockserver-monorepo
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
stleary / JSON-java
A reference implementation of a JSON package in Java.
Creators-of-Create / Create
[NeoForge Mod] Building Tools and Aesthetic Technology
apache / fory
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
lukas-krecan / ShedLock
Distributed lock for your scheduled tasks
DTStack / chunjun
A data integration framework
jetty / jetty.project
Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more
spotbugs / spotbugs
SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
sofastack / sofa-rpc
SOFARPC is a high-performance, high-extensibility, production-level Java RPC framework.
MovingBlocks / Terasology
Terasology - open source voxel world
IrisShaders / Iris
A modern shaders mod for Minecraft compatible with existing OptiFine shader packs
JCTools / JCTools
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Atmosphere / atmosphere
Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and governance over WebSocket, SSE, gRPC, or WebTransport/HTTP3. Speaks MCP, A2A, and AG-UI.
FasterXML / jackson-databind
General data-binding package for Jackson: works on streaming API (core) implementation(s)
spring-io / initializr
A quickstart generator for Spring projects
fabric8io / kubernetes-client
Java client for Kubernetes & OpenShift
apache / logging-log4j2
Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.
spockframework / spock
The Enterprise-ready testing and specification framework.
eclipse-openj9 / openj9
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
ukanth / afwall
AFWall+ (Android Firewall +) - iptables based firewall for Android
qos-ch / logback
The reliable, generic, fast and flexible logging framework for Java.
docker-java / docker-java
Java Docker API Client
wildfly / wildfly
WildFly Application Server
apache / hugegraph
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
openrocket / openrocket
Model-rocketry aerodynamics and trajectory simulation software
jobrunr / jobrunr
An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.
igniterealtime / Openfire
An XMPP server licensed under the Open Source Apache License.
androidx / media
Jetpack Media3 support libraries for media use cases, including ExoPlayer, an extensible media player for Android
assertj / assertj
Fluent testing assertions for Java and the JVM
anonfaded / FadCam
Open-source, ad-free Android multimedia recorder with background video recording, screen recording, live streaming, and remote camera control
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)
jenkinsci / configuration-as-code-plugin
Jenkins Configuration as Code Plugin
manifold-systems / manifold
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.