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.

  • 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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  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
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  • 1
    eGuideDog free software for the blind
    eGuideDog project develops free software for the blind. Currently, we focus on WebSpeech, Ekho TTS and WebAnywhere.
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    Downloads: 241 This Week
    Last Update:
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  • 2
    Allows editing of any size file in hexadecimal, decimal and ASCII. A great tool that allows you to edit and analyze the contents for either the data or resource fork of any type of file. 68K, PPC and Carbon run on MacOS 7-9 and X.
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    Downloads: 105 This Week
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  • 3

    iPAQ 200/210/211/212/214 Android Porting

    Porting Android to the iPAQ 200/210/211/212/214 or equilivalent

    Porting Android to the iPAQ 200/210/211/212/214 or equilivalent. It has a 4-inch VGA Screen (TFT LCD display), resistive touchscreen, WiFi, Bluetooth, SD/MMC, CF. Originally it is running Windows Mobile 6 Classic. For help, see README files and the wiki. This project is in Alpha state, that means it is not suitable for daily usage unless developing for the project. NOT FOR THE FAINTHEARTED AND/OR COMPUTER IDIOTS!
    Downloads: 21 This Week
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  • 4
    Coronis SDK

    Coronis SDK

    Set of module for data processing of wireless device

    The goal is to create a leading “Set of software libraries for data processing of wireless device based on Coronis platform“. These libraries will run on all major platforms (embedded and desktop) and provide services for data processing through generic APIs. Keywords: Coronis, Wavenis, API, Plugin, Wireless, Waveport, Wavecard, Profile, Java, C, C++, C#
    Downloads: 15 This Week
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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.
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  • 5
    This project develops an open source editor for Clavia Nord Modular and Micro Modular synthesizers.
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    Downloads: 37 This Week
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  • 6
    The aim of this project is to develope a decompiler for java which is platform independent and has options to obfuscate the class file also. The project takes class file as input and decompiles it and provides the source file.
    Downloads: 15 This Week
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  • 7

    niftilib

    ** MAIN SITE IS NOW: https://github.com/NIFTI-Imaging/nifti_clib **

    niftilib is a collection of i/o routines for the nifti1 neuroimage data format. C (nifticlib), Java (niftijlib), Matlab (niftimatlib), and Python (pynifti) code is available. For nifti format info see: http://nifti.nimh.nih.gov/
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    Downloads: 26 This Week
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  • 8
    JRadius - A Radius Server Java Adapter and Java Client
    Downloads: 11 This Week
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  • 9
    This project is moved to: https://github.com/libyal/libewf This site still contains contribs.
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    Downloads: 9 This Week
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  • 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
  • 10
    OpenSignature is an open source project for the digital signature of documents. It works with all cards supported by OpenSC and focuses on adding support for cards from accredited Italian CAs. The goal of the project is to provide a first single product
    Downloads: 5 This Week
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  • 11
    Project FlyIM consist of three parts, which are together making a full featured XMPP (and not only) connection on your cell phone.
    Downloads: 8 This Week
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  • 12
    VeNCrypt adds TLS/X509 encryption and authentication to VNC. It is heavily based on the RealVNC Free Edition, thus being a single fork away from the original creators of VNC, and is fully compliant with the RFB protocol.
    Downloads: 2 This Week
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  • 13
    Wograld is a 2d skill based MMORPG designed from the ground up to be focused on pvp and roleplay. It is everything Ultima Online should have been.
    Downloads: 2 This Week
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  • 14
    BowTIE (Brass Technique Instruction Environment) is an application designed to help trumpet, horn, euphonium, and tuba players learn fingering technique. BowTIE provides excellent support for trumpet and horn players who are learning to transpose.
    Downloads: 4 This Week
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  • 15
    Java Runtime Environment (JRE) 1.4.1 implementation for the Amiga Platform (OS 3.9 & 4.0)
    Downloads: 4 This Week
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  • 16
    A general purpose Java interface for Prolog implementations.
    Downloads: 3 This Week
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  • 17
    JX is a flexible Java Operating System that can be customized for different execution environments. It provides separate protection domains for operating system components. Each protection domain may have its own execution environment.
    Downloads: 3 This Week
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  • 18
    Prototype testbed implementation of the IETF Media Server Control (MEDIACTRL) SIP Control Framework, comprehensive of both control and processing functionality (as in IMS MRF, Media Resource Function).
    Downloads: 3 This Week
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  • 19
    NailGun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead. Programs run in the server (implemented in java), triggered by the client (written in C), which handles all I/O.
    Downloads: 3 This Week
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  • 20
    Sakura is a Knowledge Navigator and User Interface for UNIX, which implements HyperMedia and its own windowing and packing system, both in the main program and in an extensive API for Tcl and other languages.
    Downloads: 2 This Week
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  • 21
    Yali is "Yet Another LCN Interface". "Local Control Network" (LCN) is a building control and automation system, a trademark of Issendorff GmbH. Yali opens the door for MAC and Linux users to control their LCN installation via LAN.
    Downloads: 2 This Week
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  • 22
    Chasm-interop is a set of tools that parses C++ and Fortran 90 source files and automatically generates bridging code to provide for seamless language interoperability.
    Downloads: 2 This Week
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  • 23

    GUITAR - A GUI Testing Framework

    A model-based test automation framework for GUI applications

    This framework supports a wide variety of model-based GUI testing techniques. The innovation lies in the architecture of GUITAR, which uses plug-ins to support flexibility and extensibility. Software developers and quality assurance engineers may use this architecture to create new toolchains, new workflows based on the toolchains, and plug in a variety of measurement tools to conduct GUI testing. More detail is presented in this publication: GUITAR: An Innovative Tool for Automated Testing of GUI-driven Software. Bao N. Nguyen, Bryan Robbins, Ishan Banerjee, and Atif Memon. Automated Software Engineering Journal. p.21, 1. 2014
    Downloads: 1 This Week
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  • 24
    aScanmem

    aScanmem

    game cheater for Android

    aScanmem is Android frontend for scanmem game hacking utility. Scanmem is a Linux cheating tool acting also as debugger / memory editor with support for viewing memory regions watching and repeatedly setting values in chosen address space.
    Downloads: 1 This Week
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  • 25
    CodeCampus

    CodeCampus

    CodeCampus is a learning-first Linux OS for CSE and IT students

    CodeCampus OS is a custom Linux distribution based on Ubuntu 24, designed for beginner developers, computer science students, and self-learners who want to start coding without friction. Unlike traditional setups that require hours of installation and configuration, CodeCampus provides a fully pre-configured, learning-first environment right out of the box. From the moment you boot, everything is ready—so you can focus on learning, experimenting, and building instead of troubleshooting. CodeCampus solves this by removing setup complexity and providing a ready-to-use development environment that lets you start coding immediately. 👉 Getting started guide: https://codecompasss.github.io/code_campus_userguide/getting-started/
    Downloads: 1 This Week
    Last Update:
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