Awesome Java libraries

The Most Active Java libraries

Page 8

• OpenPDF

  7.4 8.3 Projects PDF

  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. ⛺
  

• JNA

  9.0 8.3 L1 Native

  Java Native Access
  

• JobRunr

  6.1 8.3 Projects Job Scheduling

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

• Deeplearning4j

  9.6 8.3 L1 Machine Learning

  Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learning using automatic differentiation.
  

• Choco

  5.1 8.3 L3 Constraint Satisfaction Problem Solver

  An open-source Java library for Constraint Programming
  

• RabbitMQ Java client

  6.8 8.2 Projects Messaging

  RabbitMQ Java client
  

• JavaPackager

  5.0 8.2 Projects Distribution

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

• SBE

  7.8 8.2 L1 Data structures

  Simple Binary Encoding (SBE) - High Performance Message Codec
  

• Spring Data JPA

  8.1 8.2 ORM

  Simplifies the development of creating a JPA-based data access layer.
  

• Keywhiz

  7.1 8.2 Security

  A system for distributing and managing secrets
  

• Jaeger client

  6.5 6.7 Projects Monitoring

  🛑 This library is DEPRECATED!
  

• Undertow

  8.1 8.2 L2 Networking

  High performance non-blocking webserver
  

• jte

  4.2 8.2 Projects Template Engine

  Secure and speedy templates for Java and Kotlin.

• Chart-FX

  4.0 6.3 Projects Science

  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. [Moved to: https://github.com/fair-acc/chart-fx]
  

• Takes

  5.4 8.1 Web Frameworks

  True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects

• jsoup

  9.2 8.0 L2 Web Crawling

  jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

• Litiengine

  4.7 8.1 Projects Game Development

  LITIENGINE 🕹 The pure 2D java game engine.
  

• Play WS

  3.8 8.0 Projects HTTP Clients

  Standalone Play WS, an async HTTP client with fluent API
  

• Lettuce

  8.4 8.0 Projects Database

  Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
  

• LogicNG

  3.0 8.0 Projects Science

  The Next Generation Logic Library
  

• AkkaGRPC

  4.6 8.0 Projects Networking

  Akka gRPC
  

• JsonUnit

  5.1 7.9 L4 JSON

  Compare JSON in your Unit Tests

• sawmill

  3.6 7.9 JSON Processing

  Sawmill is a JSON transformation Java library
  

• Doma 2

  4.2 7.9 Projects ORM

  DAO oriented database mapping framework for Java 8+
  

• Truth

  7.3 7.9 L3 Testing

  Fluent assertions for Java and Android
  

• Auto

  9.1 7.9 L3 Development

  A collection of source code generators for Java.
  

• Moco

  8.3 7.9 L4 Testing

  Easy Setup Stub Server

• Jamal

  2.1 7.8 Projects Template Engine

  Jamal is a macro language (JAmal MAcro Language)

• Jedis

  9.4 7.8 L4 Database

  Redis Java client designed for performance and ease of use.
  

• oj! Algorithms

  4.9 7.8 Projects Machine Learning

  oj! Algorithms
  

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

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