Open Source 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.

  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Start Free
  • 1

    Azonto Messenger

    Cross-Platform Mobile Messaging Application

    Azonto is a Cross-Platform Mobile Messaging Application that allows users to share images, songs, videos, create and add each other to groups. It is for the trendy who wants to be on top of the mobile messaging game.
    Downloads: 0 This Week
    Last Update:
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  • 2
    Cobel Engine will be a good game engine allow user to create quality 2D scrolling game such as Castlevania , Metroids and if possible , adventure game like Sierra adventure games.
    Downloads: 0 This Week
    Last Update:
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  • 3
    The classical puzzle game Minesweeper adapted to mobile devices.
    Downloads: 0 This Week
    Last Update:
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  • 4
    The Mobile Services is a cross-platform (J2ME, Android, IPhone) framework for remote services execution using variety of transport protocols (Web Services, simple HTTP, e-mail, SMS).
    Downloads: 0 This Week
    Last Update:
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  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
    Start Free
  • 5
    A group of mobile technology demonstrators showcasing graphics capability, location and proximity sensors that will then be incorporated into exciting new applications for mobile devices.
    Downloads: 0 This Week
    Last Update:
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  • 6
    OMMP is a community driven open source platform for developing mobile mashups (aka moshups) for mass-market devices. With OMMP, you can create fully functional widgets/applications that work on almost all mobile devices within a few hours.
    Downloads: 0 This Week
    Last Update:
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  • 7
    OpenGeoTracker
    Lets you monitor your GPS-phone. You have full control of your own data. Both client software (for phones) and server software is free open source, so you might set up your own server or use the default one at opengeotracker.org
    Downloads: 0 This Week
    Last Update:
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  • 8
    Swing ME

    Swing ME

    Java UI Framework for Desktop/iOS/Android

    A Pure Java implementation of Swing GUI, with Layouts, Borders, Renderers and lots of components including inline TextField, Buttons, Window, TabbedPane and many others. ALL visual and behavioural aspects can be fully customised of ANY component.
    Downloads: 0 This Week
    Last Update:
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  • 9

    ThinknLearn

    An abductive sciene inquiry based learning project for school kids

    This project was designed for a reserach conducted in the area of mobile science inqiury using ontologies. This mobile web application 'ThinknLearn' uses ontology-based scaffolding to implement NCEA level 1science standard curriculum example as an experimental context. In this application, ontologies are designed using Protege 4.0 while Jena API and Pellet reasoner are used in the technical architecture of this application for extracting relevant information according to the requirements.
    Downloads: 0 This Week
    Last Update:
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  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Start Free
  • 10
    Open source journey planner for mobiles devices (like Android, iPhone, Windows Mobile, BlackBerry or Java ME) designed for transport systems like Transmilenio.
    Downloads: 0 This Week
    Last Update:
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  • 11
    A book reader for mobile devices (include Android and iPhone)
    Downloads: 0 This Week
    Last Update:
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  • 12
    SMScryptor encrypts and decrypts messages sent from any mobile phones using : - AES 256 encryption - J2ME MIDP2.0 CLDC1.1 - ECMAScript - Apache / PHP / mysql
    Downloads: 0 This Week
    Last Update:
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  • 13
    A compiler to improve relation management between mobile users. This compiler will handle data islands for data transportation between a client mobile phone and a server node accesing a cellular network.
    Downloads: 0 This Week
    Last Update:
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  • 14
    Development of user interfaces (clients) for the w1-fi web service. w1-fi is a web content system for cell phones with user accounts, localization in maps, upload of images/videos, and selling products through online payment gateways like paypal.
    Downloads: 0 This Week
    Last Update:
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