Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.

• javawriter

  7 10,436 0.0 Java

  A Java API for generating .java source files.

  

  Javapoet. This helped me a lot, because i wrote two generators, one for one employer, who don't like dynamic generators, so the first was to generate mappers like mapstruct does; from model to pojos and viceversa. The second one was a static testing pojo factory generator; this last one i made public (it's pretty basic and now we have projects like instancio and podam) its name is mother-factory.

• picocli

  9 4,416 0.0 Java

  Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.

  Picocli is a pretty good one for writing CLI apps

• Sonar

  www.sonarsource.com

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• record-builder

  4 527 0.0 Java

  Record builder generator for Java records

  Record builder is pretty good for making builders for your Java 17 records

• Auto

  3 10,235 8.8 Java

  A collection of source code generators for Java.

  

  I like to use AutoService to make using Java's ServiceLoader easier.

• Error Prone

  5 6,561 7.4 Java

  Catch common Java mistakes as compile-time errors

  

  error-prone is good for some extra static analysis.

• jqwik

  5 473 0.0 Java

  Property-Based Testing on the JUnit Platform

  

• JavaCPP

  1 4,207 6.7 Java

  The missing bridge between Java and native C++

  

  JavaCPP and presets for working with JNI

• Mergify

  blog.mergify.com

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• javacpp-presets

  1 2,457 0.0 Java

  The missing Java distribution of native C++ libraries

  

  JavaCPP and presets for working with JNI

• afterburner.fx

  1 9 10.0 Java

  The Opinionated Un-Framework For Java FX Applications (by dlsc-software-consulting-gmbh)

  

  Afterburner.fx for FXML loading and dependency injection in JavaFX

• atlantafx

  11 434 9.0 Java

  Modern JavaFX CSS theme collection with additional controls.

  AtlantaFX & CSSFX for styling in JavaFX

• cssfx

  2 146 10.0 Java

  Allow runtime modification of JavaFX CSS (by McFoggy)

  AtlantaFX & CSSFX for styling in JavaFX

• Disruptor

  8 16,385 0.0 Java

  High Performance Inter-Thread Messaging Library

  

  Disruptor for inter-thread messaging

• jmh

  10 1,690 0.0 Java

  https://openjdk.org/projects/code-tools/jmh

  

  JMH for benchmarks

• awesome-java

  1 102 10.0

  A curated list of awesome Java libraries (by pditommaso)

• Jackson JSON Processor

  10 8,433 0.0

  Main Portal page for the Jackson project

  

  Jackson. Because JSON.

• jOOQ

  31 5,644 9.7 Java

  jOOQ is the best way to write SQL in Java

  

  JOOQ. I love this one; its very very useful when you don't need/like any ORM, and it works with, for example Spring JDBC, so you don't have to write directly the SQL into Strings. The generator helps you with all the DAO layer, and if you want it generates JPA Models too.

• Jimfs

  1 2,317 0.0 Java

  An in-memory file system for Java 7+

  

  Recently been using JIMFS. Made my tests much faster and cleaner!

• instancio

  4 587 0.0 Java

  A library that creates fully populated objects for your unit tests.

  

  Instancio for generating test data AssertJ Awaitility Quarkus FluentJdbc: a thin wrapper around jdbc, you can use it as an alternative for JPA and I use it in Quarkus

• Agrona

  2 2,636 0.0 Java

  High Performance data structures and utility methods for Java

  

  Aeron for low latency apps and Agrona is you're using Aeron for data structures

• methanol

  2 198 0.0 Java

  ⚗️ Lightweight HTTP extensions for Java

  Methanol - Lightweight HTTP extensions for Java: https://github.com/mizosoft/methanol

• InfluxDB

  www.influxdata.com

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