Open Source Java Software - Page 5

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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.

  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

    Addresses the needs of small businesses and large global organizations with thousands of users in multiple locations.

    Choose from a complete set of software solutions across EHSQ that address all aspects of top performing Environmental, Health and Safety, and Quality management programs.
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  • Agentic AI SRE built for Engineering and DevOps teams. Icon
    Agentic AI SRE built for Engineering and DevOps teams.

    No More Time Lost to Troubleshooting

    NeuBird AI's agentic AI SRE delivers autonomous incident resolution, helping team cut MTTR up to 90% and reclaim engineering hours lost to troubleshooting.
    Learn More
  • 1
    Autopsy

    Autopsy

    Autopsy® is a digital forensics platform and graphical interface

    Autopsy® is a digital forensics platform and graphical interface to The Sleuth Kit® and other digital forensics tools. It can be used by law enforcement, military, and corporate examiners to investigate what happened on a computer. You can even use it to recover photos from your camera's memory card. Autopsy was designed to be intuitive out of the box. Installation is easy and wizards guide you through every step. All results are found in a single tree. See the intuitive page for more details. Autopsy was designed to be an end-to-end platform with modules that come with it out of the box and others that are available from third-parties.
    Downloads: 101 This Week
    Last Update:
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  • 2
    This project aims to offer a simple cross-platform application for cropping PDF files. A simple user interface lets you define exactly the crop-region by fitting a rectangle on the visually overlaid pages.
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    Downloads: 429 This Week
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  • 3
    Toolbox for Java/JTOpen
    This project has been moved to github: https://github.com/IBM/JTOpen. The IBM Toolbox for Java / JTOpen is a library of Java classes supporting the client/server and internet programming models to a system running OS/400, i5/OS, or IBM i. JTOpenLite is a set of lightweight Java classes suitable for use on mobile devices. It provides Java application access to IBM i: DDM access, basic JDBC access, command call, program call access, etc. Packages are delivered by following PTF on IBM i platform: 5770SS1 V7R5M0 SI82443 5770SS1 V7R4M0 SI82444 5770SS1 V7R3M0 SI82445 The latest version is JTopen 11.2, released 7 March 2023.
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    Downloads: 606 This Week
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  • 4
    OpenKM Document Management - DMS

    OpenKM Document Management - DMS

    Document Management System and Content Management System

    OpenKM Community Edition is a free Document Management System (DMS) that helps businesses control the production, storage, management and distribution of electronic documents, boosting effectiveness and productivity. It integrates document management, collaboration and advanced search into one easy-to-use solution, including administration tools for user roles, access control, security levels, activity logs and automation setup. With OpenKM Community Edition you can: Collect information from any digital source. Collaborate with colleagues on documents and projects. Capitalize on accumulated knowledge by locating documents and information sources. Control business processes with an embedded workflow engine. Automate tasks. For a complete feature list visit: http://goo.gl/au8cQy
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    Downloads: 466 This Week
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  • Premier Construction Software Icon
    Premier Construction Software

    Premier is a global leader in financial construction ERP software.

    Rated #1 Construction Accounting Software by Forbes Advisor in 2022 & 2023. Our modern SAAS solution is designed to meet the needs of General Contractors, Developers/Owners, Homebuilders & Specialty Contractors.
    Learn More
  • 5
    JFreeChart
    JFreeChart is a free (LGPL) chart library for the Java(tm) platform. It supports bar charts, pie charts, line charts, time series charts, scatter plots, histograms, simple Gantt charts, Pareto charts, bubble plots, dials, thermometers and more. *** JFreeChart has moved to GitHub: https://github.com/jfree/jfreechart ***
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    Downloads: 423 This Week
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  • 6
    Magisk Manager

    Magisk Manager

    Companion Android application for Magisk

    Magisk Manager is the companion Android app historically used to manage the Magisk root solution—installing updates, toggling modules, configuring DenyList/Hide-like behavior, and passing device integrity checks where possible. It centralizes operations that would otherwise require flashing or command-line work, making root management accessible to power users and developers. The app surfaces module repositories, logs, and safety features, giving you insight into what’s modified and how it affects system behavior. Over time, its role evolved alongside Android’s changing security model, but the core idea remains: provide a clean UI for patching, updating, and managing a systemless root environment. It also acts as a troubleshooting hub, exposing diagnostics that help users resolve boot loops or module conflicts. For anyone maintaining a rooted device for legitimate development and customization, Magisk Manager is the operational control center that keeps the stack coherent.
    Downloads: 95 This Week
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  • 7
    Robocode

    Robocode

    Robocode is a programming tank game for Java

    Robocode is a programming game, where the goal is to develop a robot battle tank to battle against other tanks with Java. The robot battles are running in real-time and on-screen. The motto of Robocode is: Build the best, destroy the rest!
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    Downloads: 438 This Week
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  • 8
    TuxGuitar
    TuxGuitar is a multitrack guitar tablature editor and player written in Java-SWT, It can open GuitarPro, PowerTab and TablEdit files.
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    Downloads: 453 This Week
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  • 9
    TightVNC
    TightVNC is an improved version of VNC, great free remote-desktop tool. The improvements include bandwidth-friendly "Tight" encoding, file transfers in the Windows version, enhanced GUI, many bugfixes, and more.
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    Downloads: 466 This Week
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  • Inventory and Order Management Software for Multichannel Sellers Icon
    Inventory and Order Management Software for Multichannel Sellers

    Avoid stockouts, overselling, and losing control as your business grows.

    We are the most powerful inventory and order management platform for Amazon, Walmart, and multichannel product sellers. Centralize orders, product information, and fulfillment operations to run more efficiently, sell more products, and stay compliant with marketplace requirements so you can grow profitably.
    Learn More
  • 10
    Eclipse Tomcat Plugin

    Eclipse Tomcat Plugin

    Simple handling of a tomcat server in Eclipse IDE

    The Eclipse Tomcat Plugin provides simple integration of a tomcat servlet container for the development of java web applications. You can join us for discussion in our IRC channel #tomcatplugin on Freenode. Please be patient if noone is answering instantly. You can also create a new ticket if you need help. This project is a fork of the original Sysdeo Tomcat Plugin. Please use http://tomcatplugin.sf.net/update for installation.
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    Downloads: 498 This Week
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  • 11
    FernFlower

    FernFlower

    Decompiler from Java bytecode to Java, used in IntelliJ IDEA

    Fernflower is an open-source Java decompiler originally developed by JetBrains that takes compiled Java bytecode and reconstructs readable source code, helping developers understand, debug, and recover lost Java code from .class files. It works by analyzing the structure of bytecode and inferring higher-level constructs like loops, conditionals, generics, and exception handling to produce Java source that is as close as possible to what a human would have written, making it useful for both reverse engineering and educational purposes. Fernflower is integrated into popular Java IDEs and tools where decompilation is needed, and its robust analysis handles a wide range of language features introduced across multiple Java versions. Because it outputs clean, structured, and often compilable code, developers use it for auditing binaries, exploring third-party libraries without source, and recovering parts of legacy systems where source was lost or unavailable.
    Downloads: 89 This Week
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  • 12
    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: 400 This Week
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  • 13
    MicroG RE

    MicroG RE

    GmsCore fork for ReVanced with Material You, features and improvements

    GmsCore fork designed for ReVanced with Material You design, along with some improvements and features.
    Downloads: 85 This Week
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  • 14
    Arclight

    Arclight

    A Bukkit(1.19/1.20) server implementation in modding environment

    A Bukkit server implementation on common mod loaders.
    Downloads: 83 This Week
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  • 15
    Luyten

    Luyten

    An open source Java decompiler Gui for Procyon

    Luyten is an open source Java decompiler GUI for Procyon.
    Downloads: 83 This Week
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  • 16
    Cool Reader

    Cool Reader

    A cross-platform XML/CSS based eBook reader

    CoolReader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Supported formats: FB2, TXT, RTF, DOC, TCR, HTML, EPUB, CHM, PDB, MOBI. Platforms: Win32, Linux, Android. Ported on some eInk based devices.
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    Downloads: 415 This Week
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  • 17

    BBMap

    BBMap short read aligner, and other bioinformatic tools.

    This package includes BBMap, a short read aligner, as well as various other bioinformatic tools. It is written in pure Java, can run on any platform, and has no dependencies other than Java being installed (compiled for Java 6 and higher). All tools are efficient and multithreaded. BBMap: Short read aligner for DNA and RNA-seq data. Capable of handling arbitrarily large genomes with millions of scaffolds. Handles Illumina, PacBio, 454, and other reads; very high sensitivity and tolerant of errors and numerous large indels. Very fast. BBNorm: Kmer-based error-correction and normalization tool. Dedupe: Simplifies assemblies by removing duplicate or contained subsequences that share a target percent identity. Reformat: Reformats reads between fasta/fastq/scarf/fasta+qual/sam, interleaved/paired, and ASCII-33/64, at over 500 MB/s. BBDuk: Filters, trims, or masks reads with kmer matches to an artifact/contaminant file. ...and more!
    Leader badge
    Downloads: 1,221 This Week
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  • 18
    JUnit 5

    JUnit 5

    Programmer-friendly testing framework for Java and the JVM

    The 5th major version of the programmer-friendly testing framework for Java and the JVM. JUnit 5 is the next generation of JUnit. The goal is to create an up-to-date foundation for developer-side testing on the JVM. This includes focusing on Java 8 and above, as well as enabling many different styles of testing. Official CI build server for JUnit 5. Used to perform quick checks on submitted pull requests and for build matrices including the latest released OpenJDK and early access builds of the next OpenJDK. The JUnit Platform serves as a foundation for launching testing frameworks on the JVM. It also defines the TestEngine API for developing a testing framework that runs on the platform. Furthermore, the platform provides a Console Launcher to launch the platform from the command line and the JUnit Platform Suite Engine for running a custom test suite using one or more test engines on the platform. First-class support for the JUnit Platform also exists in popular IDEs.
    Downloads: 82 This Week
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  • 19
    Open Visual Traceroute

    Open Visual Traceroute

    Open source cross-platform Java Visual Traceroute

    Open source cross-platform (Windows/Linux/Mac) Java Visual Traceroute. Data is displayed in a 3D or a 2D map component. What is a traceroute? http://en.wikipedia.org/wiki/Traceroute If you need some help, please first check http://visualtraceroute.net/ Feel free to drop by and leave a comment on the Facebook page https://www.facebook.com/openvisualtraceroute Enjoy and share! If you want to support the development of this project, you can make a Paypal contribution at leo.lewis.software@gmail.com
    Leader badge
    Downloads: 766 This Week
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  • 20
    Apache JMeter

    Apache JMeter

    Load testing tool for analyzing and measuring performance of services

    The Apache JMeter™ application is open-source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions. Apache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications. It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types.
    Downloads: 81 This Week
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  • 21
    HyperSQL Database Engine (HSQLDB)
    HSQLDB is a relational database engine written in Java, with a JDBC driver, conforming to ANSI SQL:2023. A small, fast, multithreaded engine and server with memory and disk tables, LOBs, transaction isolation, multiversion concurrency and ACID.
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    Downloads: 367 This Week
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  • 22
    GanttProject

    GanttProject

    Free project scheduling and management tool

    GanttProject is a project scheduling application written in Java and featuring Gantt chart, resource management, calendaring, import/export (MS Project, HTML, PDF, spreadsheets). Learn more on http://ganttproject.biz
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    Downloads: 397 This Week
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  • 23
    VulkanMod

    VulkanMod

    Vulkan renderer mod for Minecraft

    This is a fabric mod that introduces a brand new Vulkan-based voxel rendering engine to Minecraft Java in order to both replace the default OpenGL renderer and bring performance improvements.
    Downloads: 76 This Week
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  • 24
    Java Service Wrapper
    Configurable tool which allows Java applications to be installed and controlled like native NT or Unix services. Includes fault correction software to automatically restart crashed or frozen JVMs. Critical when app is needed 24x7. Built for flexibility.
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    Downloads: 416 This Week
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  • 25
    OpenMRS

    OpenMRS

    Open source Health IT for the planet

    OpenMRS is a community-developed, open source, enterprise electronic medical record system. Our mission is to improve health care delivery in resource-constrained environments by coordinating a global community to creates and support this software.
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    Downloads: 564 This Week
    Last Update:
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MongoDB Logo MongoDB