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.

  • Hybrid IT Automation Software and Solutions | Stonebranch Icon
    Hybrid IT Automation Software and Solutions | Stonebranch

    The Stonebranch Universal Automation Center is designed to help organizations automate, manage, and orchestrate their IT processes.

    Enterprise job scheduling software helps automate IT task as part of a daily system plan. This SaaS-based or on-premises solution initiates business processes and tasks at regular intervals. Learn what characteristics make it unique.
    Learn More
  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

    Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of Google's scalable infrastructure.

    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
    Try for free
  • 1
    iText®, a JAVA PDF library

    iText®, a JAVA PDF library

    PDF Library for Developers

    iText is an open-source PDF library available for Java and .NET (C#). iText allows you to effortlessly generate and manipulate standards-compliant PDF documents with a powerful and feature-rich SDK. With iText, you can create archivable and accessible PDFs, split and merge documents, fill and flatten forms, digitally sign documents, and more. iText add-ons enable additional functionality, such as PDF creation from HTML templates, secure redaction, OCR, and much more. The latest versions of iText build on the success of previous versions and feature an improved document engine, high and low-level programming capabilities, and a more efficient modular structure. iText represents the next level for developers looking to leverage PDF in document workflows. The main project page for iText is now on GitHub, and all the latest releases, code samples, open source add-ons and tools, etc. can be found at https://github.com/itext/.
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    Downloads: 135 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: 29 This Week
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  • 3
    Java Curses Library

    Java Curses Library

    JCurses, a java console windowing toolkit for Windows and Linux

    The Java Curses Library (JCurses) is a library for developing text terminal based applications using Java programming language. It is implemented as a Windowing toolkit similar to AWT, but built upon the UNIX "curses" windowing system.
    Downloads: 2 This Week
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  • 4
    Early Access iText, a PDF generation library in Java
    Downloads: 4 This Week
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  • Papirfly: Best user-friendly DAM and Content Creation Software Icon
    Papirfly: Best user-friendly DAM and Content Creation Software

    The #1 solution to create and manage content. On‑brand. At scale.

    Papirfly provides a single online destination for all your employees and other stakeholders who are engaging with your brand, ensuring consistency in all aspects of their communications. Teams can produce infinite studio-standard marketing materials from bespoke templates, store, share and adapt them for their own markets and stay firmly educated on the brand’s purpose, guidelines and evolution – with no specialist skills or agency help necessary.
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  • 5
    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: 1 This Week
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  • 6
    Neural Libs

    Neural Libs

    Neural network library for developers

    This project includes the implementation of a neural network MLP, RBF, SOM and Hopfield networks in several popular programming languages. The project also includes examples of the use of neural networks as function approximation and time series prediction. Includes a special program makes it easy to test neural network based on training data and the optimization of the network.
    Downloads: 3 This Week
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  • 7
    Reporting engine library written in C. Create one XML file and generate PDF, HTML, TXT, and CSV reports based on queries. Has support for MySQL, PostgreSQL, ODBC. Bindings for PHP, Java, Python.
    Downloads: 3 This Week
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  • 8

    ULS

    A lexical analyzer generator that makes the class source code.

    ULS is a class library for creating lexical analyzer from language specification file. It's provided as C/C++/C# and Java (class) libraries with a few of tools on Linux/Windows platform.
    Downloads: 3 This Week
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  • 9
    silvertunnel - Java lib+browser for TOR
    silvertunnel.org is a project that provides an end-user browser, a Java library and additional Java security tools to easily access anonymity networks such as the Tor (torproject.org) network. Secure and easy to use. Tor4Java and Tor Browser. Attention: see project status on page https://sourceforge.net/p/silvertunnel/discussion/962278/thread/83dc2d02/#
    Downloads: 1 This Week
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  • RMM Software | Remote Monitoring Platform and Tools Icon
    RMM Software | Remote Monitoring Platform and Tools

    Best-in-class automation, scalability, and single-pane IT management.

    Don’t settle when it comes to managing your clients’ IT infrastructure. Exceed their expectations with ConnectWise RMM, our MSP RMM software that provides proactive tools and NOC services—regardless of device environment. With the number of new vulnerabilities rising each year, smart patching procedures have never been more important. We automatically test and deploy patches when they are viable and restrict patches that are harmful. Get better protection for clients while you spend less time managing endpoints and more time growing your business. It’s tough to locate, afford, and retain quality talent. In fact, 81% of IT leaders say it’s hard to find the recruits they need. Add ConnectWise RMM, NOC services and get the expertise and problem resolution you need to become the advisor your clients demand—without adding headcount.
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  • 10
    AL-IV

    AL-IV

    ALFOUR Programming language. Simple, safe, power, multi-platform.

    A programming language AL-IV (ALFOUR) is a high-level imperative object oriented programming language with minimal introduction level, easy porting to any platform claiming a very high level of safety and stability, with a controllable level of code protection, high efficiency of an executable code, full independence from a target platform, minimal enter level.
    Downloads: 1 This Week
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  • 11
    Framework to simplify the task of writing and executing threads in Java. Developer writes a Callable with annotations. The executor returns an extended Future with built-in support for cancelling, pausing, calculating progress, and much more.
    Downloads: 1 This Week
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  • 12
    Absolute Baseline Complete Default Suite

    Absolute Baseline Complete Default Suite

    A NetBeans Module Suite project cluster for common branding functions.

    gts-abcdef is a NetBeans Module Suite project harness, useful for templating some NetBeans Platform module suite applications with a set of common branding and initialization infrastructure. Add this to your new module suite application project.
    Downloads: 0 This Week
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  • 13
    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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  • 14
    Atan
    Atan is an interface to the RoboCup Soccer Server for the 2D simulation league. It should allow you to concentrate on the job of controlling your clients without having to worry about the communication syntax with SServer or creating the UDP connections.
    Downloads: 0 This Week
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  • 15
    A java based neural network framework. The Auratus network is built around an XML messaging system, allowing for a complete MVC design. Additionally, Auratus networks are constructed and at the node/edge level, allowing for advanced topologies.
    Downloads: 0 This Week
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  • 16
    An IDE for developing mods for the game Sid Meiers' Civilization IV Beyond the Sword. Including a library for reading and editing Civilization data.
    Downloads: 0 This Week
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  • 17
    CloneUtils
    A simple library for cloning java objects. And it can do it in three ways. The shallow copy, the serialized copy and the deep clone. It is useful if you need to detach an entity from an EntityManager.
    Downloads: 0 This Week
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  • 18
    This is a JavaScript library which gives the ability to use cryptographic functionality abstracted of available technologies on the browser side. It executes a cryptographic function with the fastest technology including Java, JavaScript and Flash.
    Downloads: 0 This Week
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  • 19

    DBZUL

    Progect inactive due to lack of user interest

    Library for automatic creation of forms for viewing and editing of the given tables of a database. Allows to create ZUL files (zkoss.org) with use of a metainformation of a database.
    Downloads: 0 This Week
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  • 20
    ERSeL lets you to use a remote Sesame server with ease (you can not think about connections, just call methods). So it lets you to add, modify, remove and manage ontologies in a remote Sesame repository server too.
    Downloads: 0 This Week
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  • 21
    Downloads: 0 This Week
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  • 22
    The Environment State Virtual Sensors for Android is a library that allows recognition of environmental scenarios in which an Android device can be found. The basic scenarios types are: Motion states, Noise states, Proximity state, ringer-mode state.
    Downloads: 0 This Week
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  • 23
    You know the component scanning feature of Spring? You'll love this: component scanning as easy as select(javaClasses()).from("your.package").returning(allAnnotatedWith(YourAnnotation.class)). Can support any language running on the JVM. ---------- eXtcos is now also available from Maven Central. To include it into your Maven project just add this dependency: groupId: net.sf.extcos artifactId: extcos version: 0.4b Unfortunately Sourceforge doesn't support XML snippets in the description, so you'll have to build it yourself if needed. ----------- To read the user manual click the website link below.
    Downloads: 0 This Week
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  • 24
    FormulaOneSDK is a open source project which provides low level SDK including FormulaOneCommon Project, FormulaOneConcurrent Project, FormulaOneGUI Project, FormulaOneJ2EE Project, FormulaOneLog Project and FormulaOneThread Project to other projects.
    Downloads: 0 This Week
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  • 25
    Java library implementing simple management of application deployed in Google App Engine. Right now is supported only downloading and parsing of quota details. Which in fact the primary reason of existence of this library.
    Downloads: 0 This Week
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