Java Projects

100 Projects libraries and projects

• Seata

  9.8 8.9 Java

  :fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
  

• LeakCanary

  9.8 8.8 L3 Kotlin

  A memory leak detection library for Android.
  

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• Arthas

  9.8 9.2 Java

  Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
  

• Nacos

  9.8 9.7 Java

  an easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.
  

• EventBus

  9.7 7.2 L4 Java

  Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

• Sentinel

  9.7 7.1 Java

  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)
  

• zipkin

  9.5 8.0 Java

  Zipkin is a distributed tracing system
  

• Graal

  9.4 10.0 Java

  GraalVM: Run Programs Faster Anywhere :rocket:
  

• webmagic

  9.4 5.0 Java

  A scalable web crawler framework for Java.

• FizzBuzz Enterprise Edition

  9.4 0.0 Java

  FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.
  

• bytecode-viewer

  9.2 9.7 Java

  A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

• Tink

  9.2 9.8 C++

  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.
  

• Quarkus

  9.1 10.0 Java

  Quarkus: Supersonic Subatomic Java.
  

• Cadence

  9.0 9.6 Go

  Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.
  

• Flowable (V6)

  8.8 9.6 Java

  A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
  

• JavaCV

  8.8 6.3 Java

  Java interface to OpenCV, FFmpeg, and more
  

• Leaf

  8.7 0.0 Java

  Distributed ID Generate Service
  

• Trino

  8.6 10.0 Java

  Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
  

• Micronaut

  8.4 9.9 Java

  Micronaut Application Framework
  

• javalin

  8.3 9.2 Kotlin

  A simple and modern Java and Kotlin web framework

• Apache Calcite

  8.3 9.3 Java

  Apache Calcite
  

• Reflections

  8.2 4.4 Java

  Java runtime metadata analysis

• Armeria

  8.1 9.6 Java

  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.
  

• Java Faker

  8.0 4.0 Java

  Brings the popular ruby faker gem to Java
  

• Recaf

  7.9 8.5 Java

  The modern Java bytecode editor

• Dragonwell8

  7.9 6.8 Shell

  Alibaba Dragonwell8 JDK
  

• Temporal

  7.7 9.8 Go

  Temporal service
  

• Apache Drill

  7.7 9.0 Java

  Apache Drill is a distributed MPP query layer for self describing data
  

• jOOR

  7.5 3.5 Java

  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.
  

• unirest-java

  7.5 8.1 L2 Java

  Unirest in Java: Simplified, lightweight HTTP client library.
  

• RoaringBitmap

  7.5 8.1 Java

  A better compressed bitset in Java
  

• OpenPDF

  7.2 8.5 Java

  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. ⛺
  

• shedlock

  7.2 9.6 Java

  Distributed lock for your scheduled tasks

• ClassGraph

  7.0 9.6 Java

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

• Siddhi

  6.9 6.6 Java

  Stream Processing and Complex Event Processing Engine
  

• ta4j

  6.9 4.8 Java

  A Java library for technical analysis.
  

• m2cgen

  6.8 8.3 Python

  Transform ML models into a native code (Java, C, Python, Go, JavaScript, Visual Basic, C#, R, PowerShell, PHP, Dart, Haskell, Ruby, F#, Rust) with zero dependencies
  

• RabbitMQ Java client

  6.7 8.4 Java

  RabbitMQ Java client
  

• p6spy

  6.7 1.1 Java

  P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
  

• Google HTTP Client

  6.7 8.9 Java

  Google HTTP Client Library for Java
  

• Jaeger client

  6.6 5.1 Java

  🛑 This library is DEPRECATED!
  

• Tabula

  6.5 5.2 Java

  Extract tables from PDF files
  

• Open HTML to PDF

  6.4 8.8 Java

  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)!

• springdoc-openapi

  6.4 9.4 Java

  Library for OpenAPI 3 with spring-boot
  

• XChart

  6.4 6.9 Java

  XChart is a light-weight Java library for plotting data.
  

• ReflectASM

  6.2 0.0 Java

  High performance Java reflection
  

• bucket4j

  6.2 8.1 Java

  Java rate limiting library based on token/leaky-bucket algorithm.

• #<Sawyer::Resource:0x0000563f68549608>

  6.0 3.4 Java

  A JavaFX library containing tiles that can be used for dashboards.

• ObjectiveSql

  6.0 3.2 Java

  Writing SQL using Java syntax
  

• jsweet

  6.0 4.9 Java

  A Java to JavaScript transpiler.
  

• jasync-sql

  5.9 6.9 Kotlin

  Java & Kotlin Async DataBase Driver for MySQL and PostgreSQL written in Kotlin
  

• JFreeChart

  5.9 7.7 Java

  A 2D chart library for Java applications (JavaFX, Swing or server-side).

• Sentry

  5.9 9.5 Java

  A Sentry SDK for Java, Android and other JVM languages.
  

• JBox2D

  5.8 2.9 L1 Java

  a 2d Java physics engine, native java port of the C++ physics engines Box2D and LiquidFun
  

• Simple Java Mail

  5.8 8.0 Java

  Simple API, Complex Emails (Jakarta Mail smtp wrapper)

• Adopt Open JDK

  5.7 8.7 Shell

  Eclipse Temurin™ build scripts - common across all releases/versions
  

• Elide

  5.7 9.6 Java

  Elide is a Java library that lets you stand up a GraphQL/JSON-API web service with minimal effort.
  

• Tribuo

  5.7 8.3 Java

  Tribuo - A Java machine learning library
  

• BioJava

  5.6 9.5 Java

  :book::microscope::coffee: BioJava is an open-source project dedicated to providing a Java library for processing biological data.
  

• StringTemplate

  5.5 3.1 Java

  StringTemplate 4
  

• Stripe

  5.5 8.8 Java

  Java library for the Stripe API.
  

• Mixin

  5.4 7.5 Java

  Mixin is a trait/mixin and bytecode weaving framework for Java using ASM
  

• Jansi

  5.4 6.6 C++

  Jansi is a small java library that allows you to use ANSI escape sequences to format your console output which works even on windows.
  

• ServiceTalk

  5.2 9.7 Java

  A networking framework that evolves with your application
  

• zt-exec

  5.2 0.2 Java

  ZeroTurnaround Process Executor
  

• Java Diff Utils

  5.2 6.2 Java

  Diff Utils library is an OpenSource library for performing the comparison / diff operations between texts or some kind of data: computing diffs, applying patches, generating unified diffs or parsing them, generating diff output for easy future displaying (like side-by-side view) and so on.
  

• Parity

  5.2 1.3 Java

  Open source software platform for trading venues
  

• easy-batch

  5.1 3.2 Java

  The simple, stupid batch framework for Java
  

• DSL-JSON

  5.1 4.8 Java

  High performance JVM JSON library
  

• #<Sawyer::Resource:0x0000563f671eac38>

  5.0 3.9 Java

  A JavaFX library for Gauges

• Rocker

  4.9 0.0 Java

  Java 8 optimized, memory efficient, speedy template engine producing statically typed, plain java objects
  

• JobRunr

  4.9 9.4 Java

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

• oj! Algorithms

  4.7 8.9 Java

  oj! Algorithms
  

• Getdown

  4.7 4.3 Java

  Download, Install, Update
  

• Objenesis

  4.6 6.4 Java

  Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no public constructor, you want to bypass the constructor code, or set final fields. There are numerous clever (but fiddly) approaches to getting around this and this library provides a simple way to get at them. You will find the official site here.
  

• cache2k

  4.6 9.1 Java

  Lightweight, high performance Java caching
  

• db-scheduler

  4.6 7.6 Java

  Persistent cluster-friendly scheduler for Java

• AkkaGRPC

  4.5 9.0 Scala

  Akka gRPC
  

• Aparapi

  4.5 3.7 Java

  The New Official Aparapi: a framework for executing native Java and Scala code on the GPU.
  

• Litiengine

  4.4 9.1 Java

  LITIENGINE 🕹 The pure 2D java game engine.
  

• Mini2Dx

  4.4 8.9 Java

  A high-level cross-platform 2D game development API
  

• NATS client

  4.4 8.4 Java

  Java client for NATS
  

• JavaPackager

  4.2 8.5 Java

  :package: Gradle/Maven plugin to package Java applications as native Windows, Mac OS X, or GNU/Linux executables and create installers for them.

• Cassandre

  4.2 9.7 Java

  Create your Java crypto trading bot in minutes. Our Spring boot starter takes care of exchange connections, accounts, orders, trades, and positions so you can focus on building your strategies.
  

• Lingua

  4.2 7.1 Kotlin

  👄 The most accurate natural language detection library for Java and the JVM, suitable for long and short text alike

• ActiveJ

  4.1 9.7 Java

  ActiveJ is an alternative Java platform built from the ground up. ActiveJ redefines web, high load, and cloud programming in Java, featuring ultimate performance and scalability!
  

• AranoDB

  4.1 7.5 Java

  The official ArangoDB Java driver.
  

• FastCSV

  4.1 8.5 Java

  High performance CSV reader and writer for Java.

• SAP Machine

  4.1 10.0 Java

  An OpenJDK release maintained and supported by SAP
  

• fastexcel

  4.1 7.2 Java

  Generate and read big Excel files quickly
  

• Charts

  4.0 5.7 Java

  A JavaFX library that contains different kind of charts

• Doma 2

  4.0 8.9 Java

  DAO oriented database mapping framework for Java 8+
  

• ASCII Table

  4.0 0.0 Java

  Several implementations of a text table, originally using ASCII and UTF-8 characters for borders.

• Philadelphia

  4.0 7.8 Java

  Fast FIX protocol library for the JVM
  

• ChartFx

  3.9 6.7 Java

  A scientific charting library focused on performance optimised real-time data visualisation at 25 Hz update rates for data sets with a few 10 thousand up to 5 million data points.
  

• jqwik

  3.9 9.8 Java

  Property-Based Testing on the JUnit Platform

• XMLUnit

  3.8 6.3 Java

  XMLUnit for Java 2.x
  

• Permazen

  3.8 7.4 HTML

  Language-Natural Persistence Layer for Java
  

• HyperMinHash-java

  3.7 0.0 Java

  Union, intersection, and set cardinality in loglog space
  

• Kalium

  3.7 0.0 Java

  Java binding to the Networking and Cryptography (NaCl) library with the awesomeness of libsodium

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

OPS - Build and Run Open Source Unikernels sponsored github.com/nanovms

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Static code analysis for 29 languages. sponsored www.sonarqube.org