Maven

Datafakerdatafaker-net/datafaker

A modern Java/Kotlin/Groovy library for generating realistic fake data with extensive providers and format support.

Gaffergchq/Gaffer

A graph database framework for storing and querying large-scale graphs with rich properties and in-database aggregation.

Applied Energistics 2AppliedEnergistics/Applied-Energistics-2

A Minecraft mod that adds advanced storage, automation, and energy management systems using matter and energy networks.

SQLancersqlancer/sqlancer

Automated testing tool that finds logic and performance bugs in database management systems (DBMSs) through intelligent SQL generation and validation.

Bootboot-clj/boot

A Clojure build framework and ad-hoc script evaluator that provides a runtime environment for building projects from Clojure scripts.

jBPM (.7k)kiegroup/jbpm

An open-source Business Process Management (BPM) suite for automating business processes and decisions.

SoapUI (.6k)SmartBear/soapui

A free and open-source cross-platform functional testing solution for APIs and web services.

MLeapcombust/mleap

MLeap is a portable execution engine for deploying machine learning pipelines from Spark and Scikit-learn without their runtime dependencies.

MITREid Connectmitreid-connect/OpenID-Connect-Java-Spring-Server

A certified OpenID Connect reference implementation in Java on the Spring platform, serving as an Identity Provider and OAuth 2.0 Authorization Server.

graphql-spring-bootgraphql-java-kickstart/graphql-spring-boot

A Spring Boot starter for GraphQL servers with built-in support for GraphiQL, Altair, Playground, and Voyager.

Apache InLong (.4k)apache/inlong

A one-stop, full-scenario integration framework for massive data, supporting data ingestion, synchronization, and subscription.

jsweetcincheo/jsweet

A Java to JavaScript transpiler that leverages TypeScript to write web and mobile applications using Java tooling.

mantisNetflix/mantis

A platform for building realtime, cost-effective, operations-focused applications.

KTXlibktx/ktx

A modular collection of Kotlin extensions and utilities for the libGDX game framework.

WrongSecretsOWASP/wrongsecrets

An OWASP training app with 62 challenges demonstrating real-world secrets management mistakes and how to find them.

Galengalenframework/galen

An open-source layout and functional testing framework for web applications using Selenium and a custom spec language.

ImageJ2imagej/imagej2

An open-source, N-dimensional image processing platform for scientific imaging with a modular, headless architecture.

Simple Java Mailbbottema/simple-java-mail

A lightweight Java mailing library with a simple API for sending complex emails, built on Jakarta Mail.

SonarJSSonarSource/SonarJS

A static code analyzer for JavaScript, TypeScript, and CSS that detects quality and security issues.

vlcjcaprica/vlcj

A Java framework for embedding native VLC media players in Java applications, providing high-level bindings to LibVLC.

pcap4jkaitoy/pcap4j

A Java library for capturing, crafting, and sending network packets via native pcap libraries.

JavaNNivan-vasilev/neuralnetworks

A Java deep learning framework implementing neural networks with GPU acceleration via OpenCL and Aparapi.

SonarJavaSonarSource/sonar-java

A static analyzer for Java that detects code quality issues, security vulnerabilities, and bugs with over 600 rules.

JBotrampatra/jbot

A Java framework for building Slack and Facebook bots with minimal boilerplate code.

JavaPackagerfvarrui/JavaPackager

A Gradle/Maven plugin that packages Java applications as native executables and installers for Windows, macOS, and Linux.

Javainfluxdata/influxdb-java

Official Java client library for InfluxDB 1.x, enabling Java applications to write and query time series data.

DDDplus frameworkfunkygao/cp-ddd-framework

A lightweight DDD enhancement framework for forward and reverse business modeling to support complex system architecture evolution.

Pact JVMDiUS/pact-jvm

JVM implementation of Pact for consumer-driven contract testing, providing mock services and verification tools.

rtreedavidmoten/rtree

Immutable in-memory R-tree and R*-tree implementations in Java with a reactive API for spatial indexing.

Toothpickstephanenicolas/toothpick

A scope tree based, reflection-free Dependency Injection library for Java, Kotlin, and Android.

CLDR currency definitionsunicode-org/cldr

The Unicode Common Locale Data Repository provides the largest standard repository of locale data for software internationalization.

Hazelcast Jethazelcast/hazelcast-jet

An open-source, in-memory, distributed batch and stream processing engine for Java applications.

Datumboxdatumbox/datumbox-framework

An open-source Java framework for rapid development of machine learning and statistical applications with large dataset support.

ADAMbigdatagenomics/adam

A genomics analysis platform that uses Apache Spark to parallelize genomic data processing across clusters, replacing traditional file-based workflows.

Parallel Framework Java-Clientsaikrishna321/AppiumTestDistribution

A tool for running Appium tests in parallel across Android and iOS real devices and simulators.

Kolobokeleventov/Koloboke

A high-performance Java Collections Framework extension with primitive specializations and drop-in replacements for JDK collections.