1154 Repositories
Java consciousness-and-neuroscience Libraries
A Java architecture test library, to specify and assert architecture rules in plain Java
ArchUnit is a free, simple and extensible library for checking the architecture of your Java code. That is, ArchUnit can check dependencies between pa
Serenity BDD is a test automation library designed to make writing automated acceptance tests easier, and more fun.
That feeling you get when you know you can trust your tests Serenity BDD is a library designed to make writing automated acceptance tests easier, and
A modern testing and behavioural specification framework for Java 8
Introduction If you're a Java developer and you've seen the fluent, modern specification frameworks available in other programming languages such as s
Library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine.
J8Spec J8Spec is a library that allows tests written in Java to follow the BDD style introduced by RSpec and Jasmine. More details here: j8spec.github
Toolkit for testing multi-threaded and asynchronous applications
ConcurrentUnit A simple, zero-dependency toolkit for testing multi-threaded code. Supports Java 1.6+. Introduction ConcurrentUnit was created to help
jte is a secure and lightweight template engine for Java.
jte is a secure and lightweight template engine for Java. All jte templates are compiled to Java class files, meaning jte adds essentially zero overhe
Java binary serialization and cloning: fast, efficient, automatic
Kryo is a fast and efficient binary object graph serialization framework for Java. The goals of the project are high speed, low size, and an easy to u
Apache Lucene and Solr open-source search software
Apache Lucene and Solr have separate repositories now! Solr has become a top-level Apache project and main line development for Lucene and Solr is hap
Free and Open, Distributed, RESTful Search Engine
Elasticsearch A Distributed RESTful Search Engine https://www.elastic.co/products/elasticsearch Elasticsearch is a distributed RESTful search engine b
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
Tink A multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse. Ubuntu
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Themis provides strong, usable cryptography for busy people General purpose cryptographic library for storage and messaging for iOS (Swift, Obj-C), An
Password4j is a user-friendly cryptographic library that supports Argon2, Bcrypt, Scrypt, PBKDF2 and various cryptographic hash functions.
Password4j is a Java user-friendly cryptographic library for hashing and checking passwords with different Key derivation functions (KDFs) and Cryptog
A small and easy-to-use one-time password generator library for Java according to RFC 4226 (HOTP) and RFC 6238 (TOTP).
OTP-Java A small and easy-to-use one-time password generator for Java according to RFC 4226 (HOTP) and RFC 6238 (TOTP). Table of Contents Features Ins
A system for distributing and managing secrets
Keywhiz Keywhiz is a system for distributing and managing secrets. For more information, see the website. Our Protecting infrastructure secrets with K
Java binding to the Networking and Cryptography (NaCl) library with the awesomeness of libsodium
kalium - Java binding to the Networking and Cryptography (NaCl) library A Java binding to Networking and Cryptography library by Daniel J. Bernstein.
Java JWT: JSON Web Token for Java and Android
Java JWT: JSON Web Token for Java and Android JJWT aims to be the easiest to use and understand library for creating and verifying JSON Web Tokens (JW
Simple full text indexing and searching library for Java
indexer4j Simple full text indexing and searching library for Java Install Gradle repositories { jcenter() } dependencies { compile 'com.haeun
Java dataframe and visualization library
Tablesaw Overview Tablesaw is Java for data science. It includes a dataframe and a visualization library, as well as utilities for loading, transformi
JGraphX - Library for visualizing (mainly Swing) and interacting with node-edge graphs.
JGraphX This project is end of life. We don't properly support Maven or publish to Maven Central. If that's an issue, use https://github.com/vlsi/jgra
modular and modern graph-theory algorithms framework in Java
Erdos is a very light, modular and super easy to use modern Graph theoretic algorithms framework for Java. It contains graph algorithms that you can a
Minimalist Java framework for rapidly creating scalable, containerless, RESTful microservices. Ship a production-quality, headless, RESTful API in the shortest time possible. Uses Netty for HTTP, Jackson for JSON, Metrics for metrics, properties files for configuration. Sub-projects and plugins enable, NoSQL, Swagger, Auth0, HAL integration, etc.
RestExpress is a thin wrapper on the JBOSS Netty HTTP stack to provide a simple and easy way to create RESTful services in Java that support massive I
Rest.li is a REST+JSON framework for building robust, scalable service architectures using dynamic discovery and simple asynchronous APIs.
Rest.li is an open source REST framework for building robust, scalable RESTful architectures using type-safe bindings and asynchronous, non-blocking I
Utilities for latency measurement and reporting
LatencyUtils A latency stats tracking package The LatencyUtils package includes useful utilities for tracking latencies. Especially in common in-proce
Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
JITWatch Log analyser and visualiser for the HotSpot JIT compiler. Video introduction to JITWatch video Slides from my LJC lightning talk on JITWatch
jHiccup is a non-intrusive instrumentation tool that logs and records platform "hiccups" - including the JVM stalls that often happen when Java applications are executed and/or any OS or hardware platform noise that may cause the running application to not be continuously runnable.
jHiccup Written by Gil Tene of Azul Systems, and released to the public domain as explained at http://creativecommons.org/publicdomain/zero/1.0 Versio
OpenPDF is a free Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is based on a fork of iText. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository. ⛺
OpenPDF is an open source Java library for PDF files OpenPDF is a Java library for creating and editing PDF files with a LGPL and MPL open source lice
An HTML to PDF library for the JVM. Based on Flying Saucer and Apache PDF-BOX 2. With SVG image support. Now also with accessible PDF support (WCAG, Section 508, PDF/UA)!
OPEN HTML TO PDF OVERVIEW Open HTML to PDF is a pure-Java library for rendering arbitrary well-formed XML/XHTML (and even HTML5) using CSS 2.1 for lay
XML/XHTML and CSS 2.1 renderer in pure Java
Flying Saucer OVERVIEW Flying Saucer is a pure-Java library for rendering arbitrary well-formed XML (or XHTML) using CSS 2.1 for layout and formatting
Fast and Easy mapping from database and csv to POJO. A java micro ORM, lightweight alternative to iBatis and Hibernate. Fast Csv Parser and Csv Mapper
Simple Flat Mapper Release Notes Getting Started Docs Building it The build is using Maven. git clone https://github.com/arnaudroger/SimpleFlatMapper.
Java library for representing, parsing and encoding URNs as in RFC2141 and RFC8141
urnlib Java library for representing, parsing and encoding URNs as specified in RFC 2141 and RFC 8141. The initial URN RFC 2141 of May 1997 was supers
ssh, scp and sftp for java
sshj - SSHv2 library for Java To get started, have a look at one of the examples. Hopefully you will find the API pleasant to work with :) Getting SSH
An annotation-based Java library for creating Thrift serializable types and services.
Drift Drift is an easy-to-use, annotation-based Java library for creating Thrift clients and serializable types. The client library is similar to JAX-
Fibers and actors for web development
COMSAT Scalable, Concurrent Web Apps Getting started Add the following Maven/Gradle dependencies: Feature Artifact Servlet integration for defining fi
CogComp's Natural Language Processing libraries and Demos:
CogCompNLP This project collects a number of core libraries for Natural Language Processing (NLP) developed by Cognitive Computation Group. How to use
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
Metrics 📈 Capturing JVM- and application-level metrics. So you know what's going on. For more information, please see the documentation Versions Vers
Automon combines the power of AOP (AspectJ) with monitoring or logging tools you already use to declaratively monitor your Java code, the JDK, and 3rd party libraries.
Automon Automon combines the power of AOP (AspectJ) with monitoring tools or logging tools that you already use to declaratively monitor the following
The missing bridge between Java and native C++
JavaCPP Commercial support: Introduction JavaCPP provides efficient access to native C++ inside Java, not unlike the way some C/C++ compilers interact
The New Official Aparapi: a framework for executing native Java and Scala code on the GPU.
A framework for executing native Java code on the GPU. Licensed under the Apache Software License v2 Aparapi allows developers to write native Java co
The open-source Java obfuscation tool working with Ant and Gradle by yWorks - the diagramming experts
yGuard yGuard is an open-source Java obfuscation tool. With yGuard it is easy as pie ( 🍰 ) to configure obfuscation through an extensive ant task. yG
An extensible Java framework for building XML and non-XML streaming applications
Smooks Framework This is the Git source code repository for the Smooks Project. Build Status Building Pre-requisites JDK 8 Apache Maven 3.2.x Maven gi
A lightweight command processing pipeline ❍ ⇢ ❍ ⇢ ❍ for your Java awesome app.
PipelinR PipelinR is a lightweight command processing pipeline ❍ ⇢ ❍ ⇢ ❍ for your awesome Java app. PipelinR has been battle-proven on production, as
API gateway for REST and SOAP written in Java.
Membrane Service Proxy Reverse HTTP proxy (framework) written in Java, that can be used as an API gateway as a security proxy for HTTP based integrati
Make Slack and Facebook Bots in Java.
JBot Make bots in Java. JBot is a java framework (inspired by Howdyai's Botkit) to make Slack and Facebook bots in minutes. It provides all the boiler
A Java to iOS Objective-C translation tool and runtime.
J2ObjC: Java to Objective-C Translator and Runtime Project site: https://j2objc.org J2ObjC blog: https://j2objc.blogspot.com Questions and discussion:
Fast and reliable message broker built on top of Kafka.
Hermes Hermes is an asynchronous message broker built on top of Kafka. We provide reliable, fault tolerant REST interface for message publishing and a
Powerful event-bus optimized for high throughput in multi-threaded applications. Features: Sync and Async event publication, weak/strong references, event filtering, annotation driven
MBassador MBassador is a light-weight, high-performance event bus implementing the publish subscribe pattern. It is designed for ease of use and aims
Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.
Apache Camel Apache Camel is a powerful, open-source integration framework based on prevalent Enterprise Integration Patterns with powerful bean integ
A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs
Smack About Smack is an open source, highly modular, easy to use, XMPP client library written in Java for Java SE compatible JVMs and Android. A pure
Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
EventBus EventBus is a publish/subscribe event bus for Android and Java. EventBus... simplifies the communication between components decouples event s
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Aeron Efficient reliable UDP unicast, UDP multicast, and IPC message transport. Java and C++ clients are available in this repository, and a .NET clie
Datumbox is an open-source Machine Learning framework written in Java which allows the rapid development of Machine Learning and Statistical applications.
Datumbox Machine Learning Framework The Datumbox Machine Learning Framework is an open-source framework written in Java which allows the rapid develop
Model import deployment framework for retraining models (pytorch, tensorflow,keras) deploying in JVM Micro service environments, mobile devices, iot, and Apache Spark
The Eclipse Deeplearning4J (DL4J) ecosystem is a set of projects intended to support all the needs of a JVM based deep learning application. This mean
Stream Processing and Complex Event Processing Engine
Siddhi Core Libraries Siddhi is a cloud native Streaming and Complex Event Processing engine that understands Streaming SQL queries in order to captur
tinylog is a lightweight logging framework for Java, Kotlin, Scala, and Android
tinylog 2 Example import org.tinylog.Logger; public class Application { public static void main(String[] args) { Logger.info("Hello
Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture.
Apache Log4j 2 Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the
The reliable, generic, fast and flexible logging framework for Java.
About logback Thank you for your interest in logback, the reliable, generic, fast and flexible logging library for Java. The Logback documentation can
Free and open source log management
Graylog Welcome! Graylog is an open source log management platform. You can read more about the project on our website and check out the documentation
Logstash - transport and process your logs, events, or other data
Logstash Logstash is part of the Elastic Stack along with Beats, Elasticsearch and Kibana. Logstash is a server-side data processing pipeline that ing
Best-of-breed OpenTracing utilities, instrumentations and extensions
OpenTracing Toolbox OpenTracing Toolbox is a collection of libraries that build on top of OpenTracing and provide extensions and plugins to existing i
P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
p6spy P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to existing application. The P6Spy
An extensible Java library for HTTP request and response logging
Logbook: HTTP request and response logging Logbook noun, /lɑɡ bʊk/: A book in which measurements from the ship's log are recorded, along with other sa
The Java microservice lib. QBit is a reactive programming lib for building microservices - JSON, HTTP, WebSocket, and REST. QBit uses reactive programming to build elastic REST, and WebSockets based cloud friendly, web services. SOA evolved for mobile and cloud. ServiceDiscovery, Health, reactive StatService, events, Java idiomatic reactive programming for Microservices.
QBit Java Micorservices lib tutorials| QBit Website | QBit uses Reakt | QBit works with Vert.x | Reakt Vertx QBit - The Microservice Lib for Java - JS
Opinionated libraries for HTTP&JSON-based RPC using Retrofit, Feign, OkHttp as clients and Jetty/Jersey as servers
Conjure Java Runtime (formerly http-remoting) This repository provides an opinionated set of libraries for defining and creating RESTish/RPC servers a
A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
Sentinel: The Sentinel of Your Microservices Introduction As distributed systems become increasingly popular, the reliability between services is beco
AWS Service registry for resilient mid-tier load balancing and failover.
Eureka Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose
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.
Visit the official web site for more information. Armeria Build a reactive microservice at your pace, not theirs. Armeria is your go-to microservice f
Java CMS engine. Host and develop multiple websites inside a single instance through the GUI and benefit from features like A/B testing, affiliate tracking tools, and a high performance template engine with CSS stylesheets processing & scripts minification.
Free enterprise Java CMS https://ncms.softmotions.com ηCMS features Multiple websites on a single ηCMS application node. Can handle hundreds of simult
ZK is a highly productive Java framework for building amazing enterprise web and mobile applications
ZK ZK is a highly productive Java framework for building amazing enterprise web and mobile applications. Resources Documentation Tutorial ZK Essential
The modular web framework for Java and Kotlin
∞ do more, more easily Jooby is a modern, performant and easy to use web framework for Java and Kotlin built on top of your favorite web server. Java:
Ninja is a full stack web framework for Java. Rock solid, fast and super productive.
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:rocket: Lightning fast and elegant mvc framework for Java8
Based on Java8 + Netty4 to create a lightweight, high-performance, simple and elegant Web framework 😋 Spend 1 hour to learn it to do something intere
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.
Welcome to the Eclipse OpenJ9 repository We're not sure which route you might have taken on your way here, but we're really pleased to see you! If you
[INACTIVE] Avian is a lightweight virtual machine and class library designed to provide a useful subset of Java's features, suitable for building self-contained applications.
Avian - A lightweight Java Virtual Machine (JVM) PLEASE NOTE: This project is not currently being developed, maintained, or supported. Feel free to us
A modern JSON library for Kotlin and Java.
Moshi Moshi is a modern JSON library for Android and Java. It makes it easy to parse JSON into Java objects: String json = ...; Moshi moshi = new Mos
Screaming fast JSON parsing and serialization library for Android.
#LoganSquare The fastest JSON parsing and serializing library available for Android. Based on Jackson's streaming API, LoganSquare is able to consiste
Set of support modules for Java 8 datatypes (Optionals, date/time) and features (parameter names)
Overview This is a multi-module umbrella project for Jackson modules needed to support Java 8 features, especially with Jackson 2.x that only requires
A Java serialization/deserialization library to convert Java Objects into JSON and back
Gson Gson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to a
A simple Java Scheduler library with a minimal footprint and a straightforward API
Wisp Scheduler Wisp is a library for managing the execution of recurring Java jobs. It works like the Java class ScheduledThreadPoolExecutor, but it c
An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.
The ultimate library to perform background processing on the JVM. Dead simple API. Extensible. Reliable. Distributed and backed by persistent storage.
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.
Overview jOOR stands for jOOR Object Oriented Reflection. It is a simple wrapper for the java.lang.reflect package. jOOR's name is inspired by jOOQ, a
An uber-fast parallelized Java classpath scanner and module scanner.
ClassGraph ClassGraph is an uber-fast parallelized classpath scanner and module scanner for Java, Scala, Kotlin and other JVM languages. ClassGraph wo
Published on Maven Central and jCenter Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison. Can be used for automation qa tests.
About Configurations Release Notes Usage Demo License Contributing Code of Conduct Other Projects About Published on Maven Central and jCenter Java Li
TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
About TwelveMonkeys ImageIO is a collection of plugins and extensions for Java's ImageIO. These plugins extend the number of image file formats suppor
Asynchronous Http and WebSocket Client library for Java
Async Http Client Follow @AsyncHttpClient on Twitter. The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and a
Java Collections till the last breadcrumb of memory and performance
Koloboke A family of projects around collections in Java (so far). The Koloboke Collections API A carefully designed extension of the Java Collections
Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.
English | 中文 | Deutsch | Español | Ελληνικά | Français | 日本語 | Norsk (bokmål) | Português-Brasil | Русский | हिंदी Eclipse Collections is a comprehens
High Performance data structures and utility methods for Java
Agrona Agrona provides a library of data structures and utility methods that are a common need when building high-performance applications in Java. Ma
Vector map library and writer - running on Android and Desktop.
Mapsforge See the integration guide and changelog. And read through how to contribute guidelines. If you have any questions or problems, don't hesitat
Backport of functionality based on JSR-310 to Java SE 6 and 7. This is NOT an implementation of JSR-310.
ThreeTen backport project JSR-310 provides a new date and time library for Java SE 8. This project is the backport to Java SE 6 and 7. See the main ho
Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.
Joda-Time Joda-Time provides a quality replacement for the Java date and time classes. The design allows for multiple calendar systems, while still pr
LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan), audio (OpenAL), parallel computing (OpenCL, CUDA) and XR (OpenVR, LibOVR) applications.
LWJGL - Lightweight Java Game Library 3 LWJGL (https://www.lwjgl.org) is a Java library that enables cross-platform access to popular native APIs usef
Backport of Java 8's lambda expressions to Java 7, 6 and 5
Retrolambda: Use Lambdas on Java 7 Just as there was Retroweaver et al. for running Java 5 code with generics on Java 1.4, Retrolambda lets you run Ja
vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
Vavr is an object-functional language extension to Java 8, which aims to reduce the lines of code and increase code quality. It provides persistent co
jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.
jOOλ jOOλ is part of the jOOQ series (along with jOOQ, jOOX, jOOR, jOOU) providing some useful extensions to Java 8 lambdas. It contains these classes
Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.
Derive4J: Java 8 annotation processor for deriving algebraic data types constructors, pattern matching and more! tl;dr Show me how to write, say, the
Concourse is a container-based continuous thing-doer written in Go and Elm.
Concourse: the continuous thing-doer. Concourse is an automation system written in Go. It is most commonly used for CI/CD, and is built to scale to an
JitPack is a novel package repository for JVM and Android projects.
JitPack is a novel package repository for JVM and Android projects. It builds Git projects on demand and provides you with ready-to-use artifacts (jar, aar).
JPF is an extensible software analysis framework for Java bytecode. jpf-core is the basis for all JPF projects; you always need to install it. It contains the basic VM and model checking infrastructure, and can be used to check for concurrency defects like deadlocks, and unhandled exceptions like NullPointerExceptions and AssertionErrors.
Java Pathfinder (JPF) An extensible software model checking framework for Java bytecode programs General Information about JPF All the latest developm
Packages your JAR, assets and a JVM for distribution on Windows, Linux and Mac OS X
About Packages your JAR, assets and a JVM for distribution on Windows, Linux and macOS, adding a native executable file to make it appear like a nativ
:package: Gradle/Maven plugin to package Java applications as native Windows, Mac OS X, or GNU/Linux executables and create installers for them.
JavaPackager JavaPackager is a hybrid plugin for Maven and Gradle which provides an easy way to package Java applications in native Windows, Mac OS X