dts88 / zeekr-shortcut-car

极氪即刻（车机版）· Surround-view dash cam for the ZEEKR 7X head unit. Fork of EVCam (GPL-3.0).

m-farhan-hamim / NetShield-DNS-Resolver-by-PSBDx

A local DNS resolver, ad/tracker sinkhole and live traffic dashboard for Android. Private, open source, and built in pure Java. No Firebase, no Google Play Services, no tracking.

netty / netty

Netty project - an event-driven asynchronous network application framework

bumptech / glide

An image loading and caching library for Android focused on smooth scrolling

alibaba / spring-cloud-alibaba

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

OpenAPITools / openapi-generator

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

bazelbuild / bazel

a fast, scalable, multi-language and extensible build system

redisson / redisson

Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

oracle / graal

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

CarGuo / GSYVideoPlayer

Video players (IJKplayer, ExoPlayer, MediaPlayer), HTTPS, 16k page size, danmaku (bullet chat) support, external subtitles, support for filters, watermarks, and GIF screenshots, pre-roll and mid-roll ads, multiple simultaneous playback, basic seeking/dragging, volume and brightness adjustment, play-while-cache support

APIJSON / APIJSON

🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码，前端(客户端) 定制返回 JSON 的数据和结构

eclipse-vertx / vert.x

Vert.x is a tool-kit for building reactive applications on the JVM

GoogleContainerTools / jib

🏗 Build container images for your Java applications.

deeplearning4j / deeplearning4j

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learn...

codecentric / spring-boot-admin

Admin UI for administration of spring boot applications

jwtk / jjwt

Java JWT: JSON Web Token for Java and Android

signalapp / Signal-Server

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

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.

niedev / RTranslator

Open source real-time translation app for Android that runs locally

apache / seatunnel

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.

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.

spring-projects / spring-ai

An Application Framework for AI Engineering

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.

google / tsunami-security-scanner

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

apache / tomcat

Apache Tomcat

traccar / traccar

Open source GPS tracking platform - self-hosted or managed, 200+ device protocols

dropwizard / metrics

:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.

google / error-prone

Catch common Java mistakes as compile-time errors

apache / zeppelin

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

apache / flink-cdc

Flink CDC is a streaming data integration tool

micronaut-projects / micronaut-core

Micronaut Application Framework

haifengl / smile

Statistical Machine Intelligence & Learning Engine

apache / camel

Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.

hneemann / Digital

A digital logic designer and circuit simulator.

btraceio / btrace

Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.

JSQLParser / JSqlParser

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

JanusGraph / janusgraph

JanusGraph: an open-source, distributed graph database

CaffeineMC / sodium

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter

redis / lettuce

Redis Java client

diffplug / spotless

Keep your code spotless

runelite / runelite

Open source Old School RuneScape client

CellularPrivacy / Android-IMSI-Catcher-Detector

AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!

zfdang / Android-Touch-Helper

AdSkip — an Android assistant for automatically skipping app launch ads

grobidOrg / grobid

A machine learning software for extracting information from scholarly documents

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.

apache / ignite

Apache Ignite

orientechnologies / orientdb

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.

micrometer-metrics / micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

ant-media / Ant-Media-Server

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

apache / shiro

Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management

crate / crate

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

freeplane / freeplane

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

eirslett / frontend-maven-plugin

"Maven-node-grunt-gulp-npm-node-plugin to end all maven-node-grunt-gulp-npm-plugins." A Maven plugin that downloads/installs Node and NPM locally, runs NPM install, Grunt, Gulp and/or Karma.

jitsi / jitsi

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

lukas-krecan / ShedLock

Distributed lock for your scheduled tasks

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.

Athou / commafeed

Google Reader inspired self-hosted personal RSS reader.

spockframework / spock

The Enterprise-ready testing and specification framework.

AxonIQ / AxonFramework

Framework for Evolutionary Message-Driven Microservices on the JVM

unitycatalog / unitycatalog

Open, Multi-modal Catalog for Data & AI