Open Source Java Software

Java Software

Browse free open source Java Software and projects below. Use the toggles on the left to filter open source Java Software by OS, license, language, programming language, and project status.

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use. Icon
    Simply solve complex auth. Easy for devs to set up. Easy for non-devs to use.

    Transform user access with Frontegg CIAM: login box, SSO, MFA, multi-tenancy, and 99.99% uptime.

    Custom auth drains 25% of dev time and risks 62% more breaches, stalling enterprise deals. Frontegg platform delivers a simple login box, seamless authentication (SSO, MFA, passwordless), robust multi-tenancy, and a customizable Admin Portal. Integrate fast with the React SDK, meet compliance needs, and focus on innovation.
    Start for Free
  • 1
    OmegaT - multiplatform CAT tool

    OmegaT - multiplatform CAT tool

    The free computer aided translation (CAT) tool for professionals

    OmegaT is a free and open source multiplatform Computer Assisted Translation tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects.
    Leader badge
    Downloads: 1,869 This Week
    Last Update:
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  • 2
    FreeCol

    FreeCol

    Colonize the New World.

    FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation. You start with only a few colonists defying the stormy seas in their search for new land. Will you guide them on the Colonization of a New World? The last stable version release can be found here: https://sourceforge.net/projects/freecol/files/latest/download The latest test pre-release of the next version can be found here: https://github.com/FreeCol/freecol/releases If you want to contribute to Freecol please visit our welcome information thread to see how here: https://sourceforge.net/p/freecol/discussion/719661/thread/2d0063a3bc/
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    Downloads: 406 This Week
    Last Update:
    See Project
  • 3
    DictionaryForMIDs

    DictionaryForMIDs

    Dictionary for Mobile Information Devices and PCs

    DictionaryForMIDs is an dictionary application for cell phones, tablets and PCs. The dictionary is completely installed on the device ("offline dictionary"), i.e. after installation there is no need for an internet connection. DictionaryForMIDs can be set up for any dictionary, for any language, or for any other lookup-purpose. The DfM-Creator tool is used to set up a dictionary for use with DictionaryForMIDs.
    Downloads: 36 This Week
    Last Update:
    See Project
  • 4
    FCKeditor

    FCKeditor

    FCKeditor (retired)

    FCKeditor is the previous version of CKEditor and has been discontinued after version 2. The new CKEditor is redesigned from the ground up, offering more WYSIWYG text editing features, enhanced security and better integration. Don’t force yourself with retro FCKeditor. Switch to the new, cool CKEditor at ckeditor.com
    Downloads: 28 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    Frost
    Freenet front end written in Java. Supports multiple up/downloads, messages, searching and more.
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    Downloads: 93 This Week
    Last Update:
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  • 6
    Jalmus is a free, open source music education software helping the musicians, especially pianists, to improve their sight-reading. You can train to read music with both exercises on notes or rhythms.
    Downloads: 15 This Week
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    See Project
  • 7
    Pauker is a generic flashcard program written in Java. It uses an innovative combination of ultra-shortterm, shortterm and longterm memory. You can use it to learn all the things you never want to forget, like vocabularies, capitals, important dates,
    Downloads: 13 This Week
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  • 8
    jMemorize is written in Java and uses Leitner flashcards to make memorizing facts not only more efficient but also more fun. Please note that the project is now maintained on https://github.com/riadd/jMemorize
    Downloads: 8 This Week
    Last Update:
    See Project
  • 9
    ScoreDate

    ScoreDate

    ScoreDate is a software to learn music reading and ear training

    ScoreDate is your date with the music ! It is an open source software written in Java that helps musicians to learn music reading. It also helps you with ear training. It is suitable for any skill, from beginners to professional users. From slow training to first sight reading.
    Downloads: 9 This Week
    Last Update:
    See Project
  • The Ultimate Quiz Maker & Engagement Platform Icon
    The Ultimate Quiz Maker & Engagement Platform

    Powering publishers, brands, and sports teams with 30+ interactive content types. Maximize engagement and revenue with Riddle.

    Riddle is an online platform for creating interactive content such as quizzes, surveys, personality tests, prediction games, and leaderboards. Our customers create content on our platform and then embed it on their website. The goal? Increased engagement, lead generation, segmentation, and content monetization - all 100% GDPR compliant.
    Try for free
  • 10
    Sudokuki - essential sudoku game

    Sudokuki - essential sudoku game

    Sudokuki is a free graphical SUDOKU game

    Sudokuki is a free graphical SUDOKU game: Sudokuki solves even the most difficult sudoku grids for you - Generate a sudoku - Play sudoku - Print a sudoku... Available in 17 languages. Just download and play! You can also play with arabic or chinese numbers. Sudokuki is Free Software developed in Java. Have fun!
    Downloads: 2 This Week
    Last Update:
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  • 11
    oStorybook

    oStorybook

    oStorybook original, the writer's tool

    oStorybook un outil pour les écrivains. ATTENTION : voir sur http://ostorybook.eu --en_EN oStorybook a tool for writers. WARNING : see on http://ostorybook.eu.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    Almond Framework
    Almond Java Application Framework is an easy to use Swing based framework for Java applications. Almond is very much inspired by the K Desktop Environment.
    Downloads: 0 This Week
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    See Project
  • 13
    Calculation of shifts. For mobile devices with JAVA MIDP 1.0 . Расчет смен на мобильных устройствах с JAVA MIDP 1.0 .
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Calculation of shifts for Android
    The program can expect for any date the state of changing (work/day off) for the different types of non-standard office hours, as that: three in three days (bar, shop) days through three (guard) day, night, two days off (port) Creation of description of other office hours is possible, it is possible to set seven shifts of different duration. GNU General Public License
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Calculation of shifts for pub 317

    Calculation of shifts for pub 317

    Can be calculated for any date in the changeable (work - output)

    The program can be calculated for any date in the changeable (work - output) for bartenders pub "317" (Illichivsk, Ukraine).
    Downloads: 0 This Week
    Last Update:
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  • 16
    CustomCoded

    CustomCoded

    Sistema operacional Linux baseado no Ubuntu

    O Sistema Operacional CustomCoded é a unificação de variadas ferramentas para Linux que facilitam o uso do sistema operacional por usuários sem capacitação no mesmo, e, ao mesmo tempo, oferecer para o usuário um ambiente agradável, simples e eficaz de ser usado, além disso, totalmente gratuito e livre de vírus. O uso do sistema prevê menor uso de sistema utilizado sem licença (pirata) e o aumento da popularidade dos sistemas baseados em Linux, que atualmente ainda são muito baixos em relação ao seu concorrente Windows.
    Downloads: 0 This Week
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  • 17
    The foundation of this project is the dicepanel, a dice roller. A couple of classic dicegames will be included too, such as Yatzee. This project is using the Almond framework and it is runnable with Java Web Start.
    Downloads: 0 This Week
    Last Update:
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  • 18
    Snore Trainer, a small java program that listens and when it is too loud beeps. Biofeedback then hopefully trains one to snore less. For sleep with less snoring.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    The Esperanto SMS Sender is a JavaME software for sending SMS using the "x-system". The software is intended for MIDP 2.0, CLDC 1.1 compatible mobile devices such as mobile phones, smartphones, etc. Download the JAR file onto your mobile device and run
    Downloads: 0 This Week
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  • 20

    Esperanto tekstokonverta ilo

    Tool to convert Esperanto characters

    This is a tool that converts your Esperanto text so that characters marked with X are converted to accented Esperanto letters.
    Downloads: 0 This Week
    Last Update:
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  • 21
    Java Train Simulator

    Java Train Simulator

    A train simulator wroten in Java.

    This a train simulator developped in Java language. This software works with the JRE6. It uses Java Monkey Engine to get the 3D render.
    Downloads: 0 This Week
    Last Update:
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  • 22

    LanguageTool

    Proofreading Software for 20+ Languages

    LanguageTool is an Open Source language/grammar checker. *** THIS REPOSITORY IS OUT OF DATE, see https://github.com/languagetool-org INSTEAD ***
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Mobile Esperanto

    Mobile Esperanto

    Application for learning Esperanto using various web resouces

    Uses a set of GWT widgets which emulate the iPhone look and feel. Can be used on mobile devices as well as the desktop. Uses Google MVP architecture; PHP server side provides JSONP by querying various web sites, notably Lernu.net, a popular Esperanto learning site. Try out the demo at the Mobile Esperanto Web Site below.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    OSCARS (Open Source Concurrent Authoring and Realisation System) opens the doors to a whole new way of programming. Mutiple people working interactively on the same source file, each with a set of responsibilities and tasks.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Obfunae is an interpreter for the Obfuna esoteric programming language.
    Downloads: 0 This Week
    Last Update:
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