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

  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • DAT Freight and Analytics - DAT Icon
    DAT Freight and Analytics - DAT

    DAT Freight and Analytics operates DAT One truckload freight marketplace

    DAT Freight & Analytics operates DAT One, North America’s largest truckload freight marketplace; DAT iQ, the industry’s leading freight data analytics service; and Trucker Tools, the leader in load visibility. Shippers, transportation brokers, carriers, news organizations, and industry analysts rely on DAT for market trends and data insights, informed by nearly 700,000 daily load posts and a database exceeding $1 trillion in freight market transactions. Founded in 1978, DAT is a business unit of Roper Technologies (Nasdaq: ROP), a constituent of the Nasdaq 100, S&P 500, and Fortune 1000. Headquartered in Beaverton, Ore., DAT continues to set the standard for innovation in the trucking and logistics industry.
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  • 1
    JDatePicker: Java Swing Date Picker

    JDatePicker: Java Swing Date Picker

    This project now lives at: https://github.com/JDatePicker/JDatePicker

    This project now lives at: https://github.com/JDatePicker/JDatePicker Will keep this sf.net project active to point to github. JDatePicker and JDatePanel is an set of advanced DatePicker controls for Java Swing applications. The MVC design enables us to display any date object such as Joda-Time DateMidnight. The date picker also works well with JGoodies Binding.
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    Downloads: 24 This Week
    Last Update:
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  • 2
    openSCADA

    openSCADA

    openSCADA® is an open source SCADA system written in JAVA

    openSCADA is an open source Supervisory Control And Data Acquisition System. It is platform independent and based on a modern system design that provides security and flexibility at the same time. openSCADA is flexible. It is not an out of the box solution, but a set of tools that can be combined in many different ways. It provides development libraries, interface applications, mass configuration tools, front-end and back-end applications. openSCADA is ready to rock. It is used 24/7 in several installations around this world. openSCADA is supported. So if you prefer a fully supported, out of the box instead of a “build it yourself” solution you can contact IBH SYSTEMS GmbH and let us do the job. If you like, you will still get the source code that was developed specially for you. openSCADA needs you. Writing source code, writing documentation, fixing bugs or providing fresh input. Anything is welcome.
    Downloads: 25 This Week
    Last Update:
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  • 3
    AndroidRate

    AndroidRate

    Library to help you promote your Android app

    AndroidRate is a library to help you promote your Android app by prompting users to rate the app after using it for a few days.
    Downloads: 5 This Week
    Last Update:
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  • 4
    NestProfessor Programmer Edition
    This is a SDK which can nest/layout the part/geometry/polygon on the material or sheet intelligently, you can get the best utilization of the materials, this SDK also support read/write DXF/DWG files and part-in-part nesting. New nesting lagorithm is implenmented, more good to support true shape part or material.
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    Downloads: 1 This Week
    Last Update:
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  • HOA Software Icon
    HOA Software

    Smarter Community Management Starts Here

    Simplify HOA management with software that handles everything from financials to communication.
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  • 5
    ADDC Server Commons Java Libraries

    ADDC Server Commons Java Libraries

    Java libraries for buiding IIOP and Web Services

    ADDC Server Commons supplies a set of java libraries published to maven central for writing Java servers offering both IIOP/SSLIOP and HTTP/HTTPS access using Spring Framewrok and JacORB. It also supplies a client for Monitoring CORBA Services, Balanced Groups and a full JNDI implementation for both CosNaming and Java.
    Downloads: 0 This Week
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  • 6
    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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  • 7

    Cloud7

    Central Software Configuration by Java API and SOAP Service

    CLOUD SEVEN is API and middleware together. C7 * stores central configurations in a database * is a useful tool to configure applications which run distributed on different hardware * provides a simple user administration with rights and actions * is good for small and big companies as well. * helps developers, and admins * provides configurations which can be valid for all machines (instances) or may be exclusive for single instances * can be used by API and SOAP (JMS is planned) * provides high performance and stable applications by using local configuration caching * offers complex configuration objects by combining some properties * uses actual optional Apache Derby, MySQL and Oracle (PostgreSQL in work)
    Downloads: 0 This Week
    Last Update:
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  • 8
    Estimation Reporting
    Its a pure Java Reporting Library and Reportdesigner for viewing, printing, exporting (xls, pdf, html, rtf) of professional looking reports. Supports Text-, Image- and Chart-Fields, multiple Grouping, XML-Templates and different Datasources.
    Downloads: 0 This Week
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  • 9
    A test framework for penetration testing Java classes and methods with randomized parameters and testing the results.
    Downloads: 0 This Week
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  • Pest Control Management Software Icon
    Pest Control Management Software

    Pocomos is a cloud-based field service solution that caters to businesses

    Built for the pest control industry, but also works great for Mosquito Control, Bin Cleaning, Window Washing, Solar Panel Cleaning, and other Home Service Businesses in need of an easy-to-use software that helps you simplify routing, scheduling, communications, payment processing, truck tracking, time tracking, and reporting.
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  • 10

    OtrosVfsBrowser

    OtrosVfsBrowser download page

    Since Google code is not supporting downloads, downloads can be found on sf.net.
    Downloads: 0 This Week
    Last Update:
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  • 11
    RCER is a SAP R/3 Connector for Eclipse Rich Client Platform applications. It wraps up the SAP Java Connector (JCo) in a reusable way and provides additional common functions like connection definition, login dialog and status monitoring.
    Downloads: 0 This Week
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  • 12

    RudisJavaLib

    Application framework.

    This library is intended as an application framework. It should ease the creation of classic desktop programs with support for multiple languages, a help- and setup system, file handling and more.
    Downloads: 0 This Week
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  • 13
    Survey Developer Library 4 Java

    Survey Developer Library 4 Java

    Java framework with reusable patterns and classes

    A generic Java framework with reusable patterns and classes for enhanced development
    Downloads: 0 This Week
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  • 14
    jFuzzyDate
    jFuzzyDate is a lightweight java library for formatting easily readable time distances, durations and dates.
    Downloads: 0 This Week
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  • 15
    z-utalm

    z-utalm

    Unified Test and Logging layer for multiple programming languages

    Modern software systems and application are commonly written in multiple languages, include scripting engines, and are frequently build on multiple specialized frameworks and middleware for a considerable diversity of runtime environments. The latest influencing update in development paradigm is the application of multicore processors. This projects is aimed to unify the required trace and logging output and integrate into debugging environments. The target is to provide general development, test, and production support of software environments based on multiple programming languages for distributed multicore environments.
    Downloads: 0 This Week
    Last Update:
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