Java Projects

100 Projects libraries and projects

• LeakCanary

  9.8 8.5 L3 Kotlin

  A memory leak detection library for Android.
  

• Arthas

  9.8 9.5 Java

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

Scout APM - Leading-edge performance monitoring starting at $39/month

Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

Sponsored scoutapm.com



• Seata

  9.8 9.1 Java

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

• EventBus

  9.8 0.0 L4 Java

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

• Sentinel

  9.7 7.8 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)
  

• Nacos

  9.7 9.8 Java

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

• zipkin

  9.5 8.4 Java

  Zipkin is a distributed tracing system
  

• webmagic

  9.4 6.6 Java

  A scalable web crawler framework for Java.

• Graal

  9.4 10.0 Java

  GraalVM: Run Programs Faster Anywhere :rocket:
  

• FizzBuzz Enterprise Edition

  9.3 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 0.3 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

  9.0 10.0 Java

  Quarkus: Supersonic Subatomic Java.
  

• Cadence

  8.9 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.
  

• JavaCV

  8.7 6.2 Java

  Java interface to OpenCV, FFmpeg, and more
  

• Flowable (V6)

  8.7 9.6 Java

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

• Leaf

  8.5 0.0 Java

  Distributed ID Generate Service
  

• Micronaut

  8.4 9.8 Java

  Micronaut Application Framework
  

• javalin

  8.3 8.3 Kotlin

  A simple and modern Java and Kotlin web framework

• Trino

  8.3 10.0 Java

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

• Apache Calcite

  8.2 9.2 Java

  Apache Calcite
  

• Reflections

  8.2 0.0 Java

  Java runtime metadata analysis

• Armeria

  8.0 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.
  

• Dragonwell8

  7.9 5.8 Shell

  Alibaba Dragonwell8 JDK
  

• Java Faker

  7.7 4.5 Java

  Brings the popular ruby faker gem to Java
  

• Apache Drill

  7.6 8.0 Java

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

• unirest-java

  7.6 8.3 L2 Java

  Unirest in Java: Simplified, lightweight HTTP client library.
  

• jOOR

  7.5 2.4 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.
  

• RoaringBitmap

  7.4 7.6 Java

  A better compressed bitset in Java
  

• OpenPDF

  7.0 9.0 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. ⛺
  

• ClassGraph

  7.0 9.1 Java

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

• shedlock

  6.9 9.5 Java

  Distributed lock for your scheduled tasks

• Temporal

  6.9 9.7 Go

  Temporal service and CLI
  

• Siddhi

  6.8 7.6 Java

  Stream Processing and Complex Event Processing Engine
  

• ta4j

  6.7 7.3 Java

  A Java library for technical analysis.
  

• RabbitMQ Java client

  6.6 7.8 Java

  RabbitMQ Java client
  

• p6spy

  6.6 3.7 Java

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

• Jaeger client

  6.6 5.3 Java

  Jaeger Bindings for Java OpenTracing API
  

• Google HTTP Client

  6.6 8.9 Java

  Google HTTP Client Library for Java
  

• Tabula

  6.4 6.8 Java

  Extract tables from PDF files
  

• XChart

  6.4 8.5 Java

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

• ReflectASM

  6.2 0.0 Java

  High performance Java reflection
  

• Open HTML to PDF

  6.1 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

  6.0 9.3 Java

  Library for OpenAPI 3 with spring-boot
  

• jsweet

  5.9 8.5 Java

  A Java to JavaScript transpiler.
  

• bucket4j

  5.9 6.7 Java

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

• JBox2D

  5.9 0.3 L1 Java

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

• ObjectiveSql

  5.9 9.7 Java

  ObjectiveSQL is an ORM framework in Java based on ActiveRecord pattern, which encourages rapid development and clean, codes with the least and convention over configuration.
  

• jasync-sql

  5.8 6.6 Kotlin

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

• JFreeChart

  5.8 8.9 Java

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

• Adopt Open JDK

  5.7 8.9 Shell

  Temurin build scripts - common across all releases/versions
  

• Simple Java Mail

  5.7 7.3 Java

  Simple API, Complex Emails (JavaMail smtp wrapper)

• Elide

  5.6 9.6 Java

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

• Tribuo

  5.6 8.2 Java

  Tribuo - A Java machine learning library
  

• BioJava

  5.5 8.2 Java

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

• Stripe

  5.5 8.6 Java

  Java library for the Stripe API.
  

• StringTemplate

  5.5 2.1 Java

  StringTemplate 4
  

• Jansi

  5.3 7.8 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.
  

• zt-exec

  5.2 2.1 Java

  ZeroTurnaround Process Executor
  

• Parity

  5.2 3.0 Java

  Open source software platform for trading venues
  

• Mixin

  5.1 6.5 Java

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

• DSL-JSON

  5.1 5.3 Java

  High performance JVM JSON library
  

• easy-batch

  5.1 6.7 Java

  The simple, stupid batch framework for Java
  

• ServiceTalk

  5.0 9.4 Java

  A networking framework that evolves with your application
  

• Rocker

  4.8 0.0 Java

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

• Getdown

  4.7 4.3 Java

  Download, Install, Update
  

• Objenesis

  4.6 7.3 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.
  

• AkkaGRPC

  4.5 8.5 Scala

  Akka gRPC
  

• Aparapi

  4.5 5.1 Java

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

• cache2k

  4.5 9.1 Java

  Lightweight, high performance Java caching
  

• NATS client

  4.4 8.6 Java

  Java client for NATS
  

• Mini2Dx

  4.3 0.0 Java

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

• oj! Algorithms

  4.3 8.0 Java

  oj! Algorithms
  

• db-scheduler

  4.3 8.8 Java

  Persistent cluster-friendly scheduler for Java

• Litiengine

  4.3 9.4 Java

  LITIENGINE 🕹 The pure 2D java game engine.
  

• JobRunr

  4.2 9.0 Java

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

• Lingua

  4.0 7.1 Kotlin

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

• SAP Machine

  4.0 10.0 Java

  An OpenJDK release maintained and supported by SAP
  

• FastCSV

  4.0 5.1 Java

  High performance CSV reader and writer for Java.

• AranoDB

  4.0 7.6 Java

  The official ArangoDB Java driver.
  

• JavaPackager

  3.9 8.8 Java

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

• Doma 2

  3.9 8.8 Java

  DAO oriented database mapping framework for Java 8+
  

• fastexcel

  3.9 7.9 Java

  Generate and read big Excel files quickly
  

• Philadelphia

  3.9 7.8 Java

  Low-latency Financial Information Exchange (FIX) engine for the JVM
  

• ASCII Table

  3.8 0.0 Java

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

• XMLUnit

  3.8 5.9 Java

  XMLUnit for Java 2.x
  

• jqwik

  3.8 9.7 Java

  Property-Based Testing on the JUnit Platform

• Permazen

  3.8 5.4 HTML

  Language-Natural Persistence Layer for Java
  

• ChartFx

  3.7 8.2 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.
  

• Kalium

  3.7 0.0 Java

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

• Play WS

  3.7 6.4 Scala

  Standalone Play WS, an async HTTP client with fluent API
  

• image-comparison

  3.6 2.9 Java

  Published on Maven Central 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.

• Text-IO

  3.6 1.2 Java

  A library for creating interactive console applications in Java
  

• HyperMinHash-java

  3.6 1.0 Java

  Union, intersection, and set cardinality in loglog space
  

• Drift

  3.6 0.1 Java

  An annotation-based Java library for creating Thrift serializable types and services.
  

• OpenTracing Toolbox

  3.6 7.5 Java

  Best-of-breed OpenTracing utilities, instrumentations and extensions
  

• jte

  3.5 9.3 Java

  Secure and speedy templates for Java and Kotlin.

• Artipie

  3.5 9.4 Java

  Binary Artifact Management Tool
  

• ActiveJ

  3.5 9.3 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!
  

• Apache Qpid

  3.5 0.0 L1 Java

  Mirror of Apache Qpid
  

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest. Visit our partner's website for more details.

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