20+ Trending and Popular Java Open Source Project

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  • Open-LaTeX-Studio

    Open Source LaTeX editor that supports remote collaboration

    Open Latex Studio

  • dropwizard-jobs

    Scheduling / Quartz integration for Dropwizard

    Dropwizard Jobs

  • SonarLint

    Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.

  • News-Android-App

    📱:newspaper: Android client for the Nextcloud news/feed reader app

    News Android

  • book-project

    Book platform web app for book lovers

    Book Project

  • SeriesGuide

    Track your favorite TV shows and movies on Android devices.


  • java

    Exercism exercises in Java. (by exercism)


  • okdownload

    A Reliable, Flexible, Fast and Powerful download engine.

    GitHub Stars: 4.3k+ No. of Issues: 210+ Level: Intermediate

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • zerocode

    A community-developed, free, open source, microservices API automation and load testing framework built using JUnit core runners for Http REST, SOAP, Security, Database, Kafka and much more. Zerocode Open Source enables you to create, change, orchestrate and maintain your automated test cases declaratively with absolute ease.


  • appsmith

    Low code project to build admin panels, internal tools, and dashboards. Integrates with 15+ databases and any API.


  • languagetool

    Style and Grammar Checker for 25+ Languages

    Language Tool

  • AntennaPod

    A podcast manager for Android


  • baritone

    google maps for block game


  • Algorithms

    A collection of algorithms and data structures (by williamfiset)


  • OpenRefine

    OpenRefine is a free, open source power tool for working with messy data and improving it


  • javawriter

    A Java API for generating .java source files.


  • Mockito

    Most popular Mocking framework for unit tests written in Java


  • Realm

    Realm is a mobile database: a replacement for SQLite & ORMs


  • Guava

    Google core libraries for Java

    Guava: Google Core Libraries for Java

  • glide

    An image loading and caching library for Android focused on smooth scrolling


NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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