464 Repositories
Java open-api Libraries
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
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
An advanced, but easy to use, platform for writing functional applications in Java 8.
Getting Cyclops X (10) The latest version is cyclops:10.4.0 Stackoverflow tag cyclops-react Documentation (work in progress for Cyclops X) Integration
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text, Geospatial and Key-Value models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries. OrientDB Community Edition is Open Source using a liberal Apache 2 license.
OrientDB | Develop branch: | 2.2.x branch: | Chat with the community: What is OrientDB? OrientDB is an Open Source Multi-Model NoSQL DBMS with the sup
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.
Activiti Homepage: http://activiti.org Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people,
Redisson - Redis Java client with features of In-Memory Data Grid. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, MyBatis, RPC, local cache ...
Redisson - Redis Java client with features of In-Memory Data Grid Quick start | Documentation | Javadocs | Changelog | Code examples | FAQs | Report a
Open Source Web Crawler for Java
crawler4j crawler4j is an open source web crawler for Java which provides a simple interface for crawling the Web. Using it, you can setup a multi-thr
Gephi - The Open Graph Viz Platform
Gephi - The Open Graph Viz Platform Gephi is an award-winning open-source platform for visualizing and manipulating large graphs. It runs on Windows,
Cucumber DSL for testing RESTful Web Services
cukes-rest takes simplicity of Cucumber and provides bindings for HTTP specification. As a sugar on top, cukes-rest adds steps for storing and using r
Java DSL for easy testing of REST services
Testing and validation of REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of usi
Test Automation Made Simple
Karate Test Automation Made Simple. Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automat
Java binding for Hoverfly
Hoverfly Java - Easy Creation of Stub Http Servers for Testing A Java native language binding for Hoverfly, a Go proxy which allows you to simulate ht
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
Fluent builders with typesafe API for the JCA
Security Builders This library implements a set of "fluent" API builders for the java.security classes, and provides more typesafe, intuitive API to a
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
Master repository for the JGraphT project
JGraphT Released: June 14, 2020 Written by Barak Naveh and Contributors (C) Copyright 2003-2020, by Barak Naveh and Contributors. All rights reserved.
Library for OpenAPI 3 with spring-boot
Full documentation Acknowledgements springdoc-openapi is made possible thanks to all of its contributors. Introduction The springdoc-openapi Java libr
Leading REST API framework for Java
Restlet Framework The leading REST API framework for Java Thanks to Restlet Framework's powerful routing and filtering capabilities, unified client an
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
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
Apache Dubbo is a high-performance, java based, open source RPC framework.
Apache Dubbo Project Apache Dubbo is a high-performance, Java-based open-source RPC framework. Please visit official site for quick start and document
an open source solution to application performance monitoring for java server applications
Stagemonitor is a Java monitoring agent that tightly integrates with time series databases like Elasticsearch, Graphite and InfluxDB to analyze graphe
Jaeger Bindings for Java OpenTracing API
Jaeger's Tracing Instrumentation Library for Java Intended to be used with Jaeger backend, but can also be configured to send traces to Zipkin. Implem
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
Simple API, Complex Emails (JavaMail smtp wrapper)
Simple Java Mail Simple Java Mail is the simplest to use lightweight mailing library for Java, while being able to send complex emails including CLI s
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
HornetQ is an open source project to build a multi-protocol, embeddable, very high performance, clustered, asynchronous messaging system.
HornetQ If you need information about the HornetQ project please go to http://community.jboss.org/wiki/HornetQ http://www.jboss.org/hornetq/ This file
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
A distributed event bus that implements a RESTful API abstraction on top of Kafka-like queues
Nakadi Event Broker Nakadi is a distributed event bus broker that implements a RESTful API abstraction on top of Kafka-like queues, which can be used
Sparkling Water provides H2O functionality inside Spark cluster
Sparkling Water Sparkling Water integrates H2O's fast scalable machine learning engine with Spark. It provides: Utilities to publish Spark data struct
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
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
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
Apache Dubbo is a high-performance, java based, open source RPC framework.
Apache Dubbo Project Apache Dubbo is a high-performance, Java-based open-source RPC framework. Please visit official site for quick start and document
Java client for Consul HTTP API
consul-api Java client for Consul HTTP API (http://consul.io) Supports all API endpoints (http://www.consul.io/docs/agent/http.html), all consistency
GWT Open Source Project
GWT GWT is the official open source project for GWT releases 2.5 and onwards. In this document you have some quick instructions to build the SDK from
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
Java JNA wrapper for Tesseract OCR API
Tess4J A Java JNA wrapper for Tesseract OCR API. Tess4J is released and distributed under the Apache License, v2.0. Features The library provides opti
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
Open source routing engine for OpenStreetMap. Use it as Java library or server.
GraphHopper Routing Engine GraphHopper is a fast and memory efficient Java routing engine, released under Apache License 2.0. By default it uses OpenS
Enhancing Java Stream API
StreamEx 0.7.3 Enhancing Java Stream API. This library defines four classes: StreamEx, IntStreamEx, LongStreamEx, DoubleStreamEx which are fully compa
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
An advanced, but easy to use, platform for writing functional applications in Java 8.
Getting Cyclops X (10) The latest version is cyclops:10.4.0 Stackoverflow tag cyclops-react Documentation (work in progress for Cyclops X) Integration
Sonatype Nexus Repository Open Source Codebase
Builds use Apache Maven and require Java 8. Apache Maven wrapper scripts are included in the source tree.
Java library for the Stripe API.
Stripe Java client library The official Stripe Java client library. Installation Requirements Java 1.8 or later Gradle users Add this dependency to yo
Java client library for the Square Connect v2 API
Square Connect Java SDK - RETIRED NOTICE: Square Connect Java SDK retired The Square Connect Java SDK is retired (EOL) as of 2019-12-17 and will no lo
Open source software platform for trading venues
Parity Parity is an open source software platform for trading venues. It can be used to run a financial marketplace, develop algorithmic trading agent
:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
Seata: Simple Extensible Autonomous Transaction Architecture What is Seata? A distributed transaction solution with high performance and ease of use f
ScaleCube Services is a high throughput, low latency reactive microservices library built to scale. it features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing. its open and designed to accommodate changes. (no sidecar in a form of broker or any kind)
scalecube-services MICROSERVICES 2.0 An open-source project that is focused on streamlining reactive-programming of Microservices Reactive-systems tha
Open Source In-Memory Data Grid
Hazelcast Hazelcast is an open-source distributed in-memory data store and computation platform. It provides a wide variety of distributed data struct
Redisson - Redis Java client with features of In-Memory Data Grid. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, MyBatis, RPC, local cache ...
Redisson - Redis Java client with features of In-Memory Data Grid Quick start | Documentation | Javadocs | Changelog | Code examples | FAQs | Report a
An open-source Java library for Constraint Programming
Documentation, Support and Issues Contributing Download and installation Choco-solver is an open-source Java library for Constraint Programming. Curre
Java library to provide an API for beans and properties.
Joda-Beans Joda-Beans provides a small framework that adds properties to Java, greatly enhancing JavaBeans. An API is provided that defines a bean and
A Java API for generating .java source files.
JavaPoet JavaPoet is a Java API for generating .java source files. Source file generation can be useful when doing things such as annotation processin
Spoon is a metaprogramming library to analyze and transform Java source code (up to Java 15). :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
Spoon Spoon is an open-source library to analyze, rewrite, transform, transpile Java source code. It parses source files to build a well-designed AST
Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.
The Infinispan project Infinispan is an open source (under the Apache License, v2.0) data grid platform. For more information on Infinispan, including
cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
cglib Byte Code Generation Library is high level API to generate and transform JAVA byte code. It is used by AOP, testing, data access frameworks to g
Elegance, high performance and robustness all in one java bean mapper
JMapper Framework Fast as hand-written code with zero compromise. Artifact information Status Write the configuration using what you prefer: Annotatio
dOOv (Domain Object Oriented Validation) a fluent API for type-safe bean validation and mapping
dOOv (Domain Object Oriented Validation) dOOv is a fluent API for typesafe domain model validation and mapping. It uses annotations, code generation a