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An Engine-Agnostic Deep Learning Framework in Java

Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, transcoding & scaling

h2database / h2database

H2 is an embeddable RDBMS written in Java.

jacoco / jacoco

:microscope: Java Code Coverage Library

water8394 / flink-recommandSystem-demo

:helicopter::rocket:基于Flink实现的商品实时推荐系统。flink统计商品热度，放入redis缓存，分析日志信息，将画像标签和实时记录放入Hbase。在用户发起推荐请求后，根据用户画像重排序热度榜，并结合协同过滤和标签两个推荐模块为新生成的榜单的每一个产品添加关联产品，最后返回新的用户列表。

dreamhead / moco

Easy Setup Stub Server

jitsi / jitsi

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

lilishop / lilishop

Java 开源商城系统，基于 Spring Boot / Spring Cloud / Vue / Uniapp 的 B2B2C 多商户商城源码，支持小程序商城、微服务、分销、直播、秒杀、Docker 私有化部署。

zendesk / maxwell

Maxwell's daemon, a mysql-to-json kafka producer

mybatis / spring-boot-starter

MyBatis integration with Spring Boot

lukas-krecan / ShedLock

Distributed lock for your scheduled tasks

aws / aws-sdk-java

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

uber / NullAway

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

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

Dimezis / BlurView

Dynamic iOS-like blur of underlying Views for Android

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.

tchiotludo / akhq

Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

Netflix / maestro

Maestro: Netflix’s Workflow Orchestrator

OpenHFT / Chronicle-Queue

Micro second messaging that stores everything to disk

undertow-io / undertow

High performance non-blocking webserver

grpc-ecosystem / grpc-spring

Spring Boot starter module for gRPC framework.

spockframework / spock

The Enterprise-ready testing and specification framework.

vert-x3 / vertx-examples

Vert.x examples

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 / maven-mvnd

Apache Maven Daemon

uber / AutoDispose

Automatic binding+disposal of RxJava streams.

wix / react-native-notifications

React Native Notifications

chriswhocodes / jitwatch

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

chenBingX / SuperTextView

Hi，Developer，Welcome to use SuperTextView ！

apache / hugegraph

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

apache / netbeans

Apache NetBeans

jobrunr / jobrunr

An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

apache / parquet-java

Apache Parquet Java

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

classgraph / classgraph

An uber-fast parallelized Java classpath scanner and module scanner.

apache / commons-lang

Apache Commons Lang

RayXBuilds / Movie_Recommend

历史学习项目：Spark 电影推荐、爬虫、Web 与后台。新版持续开发见 cinematch-recommender。

thymeleaf / thymeleaf

Thymeleaf is a modern server-side Java template engine for both web and standalone environments.

mybatis / spring

Spring integration for MyBatis 3

assertj / assertj

Fluent testing assertions for Java and the JVM

bytedeco / javacpp-presets

The missing Java distribution of native C++ libraries

jOOQ / jOOR

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.

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)