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.

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  • 1
    Interfuse is a workflow framework that joins ("fuses") the services, rules and objects of a traditional application with user-defined workflow. Interfuse is lightweight and designed to be embedded in existing Java-based applications.
    Downloads: 0 This Week
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  • 2
    Intrepid 2
    Java RMI replacement. *** Project moved to GitHub *** https://github.com/robeden/intrepid
    Downloads: 0 This Week
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  • 3
    IrcAppender

    IrcAppender

    IrcAppender forwards important log4j messages to an IRC channel

    IrcAppender is an appender for the Apache log4j system which forwards important logging event to an IRC channel. Output is controlled by the log4j configuration.
    Downloads: 0 This Week
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  • 4
    A framework based on a concept of isolation. The isolation level of each component allow interchanging any of them for other with a similar function
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  • 5
    A Java library whose aim is to help developers to create Iterators. Filtering iterator, Concat iterators, etc... all implementing the new CloseableIterator interface. A persistence package is provided to help the user to create ResultSet iterators.
    Downloads: 0 This Week
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  • 6
    A pure java DNS client implementation. Consists of a library and utilities for looking up the Internet domain names. The utilities are also able to fetch an entire domain zone and save it in the standard DNS zone file format.
    Downloads: 0 This Week
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  • 7
    This project provides a set of libraries written in Java to easily manipulate Multi-Criteria Decision Aid (MCDA) concepts, especially related to outranking methods, and XMCDA files.
    Downloads: 0 This Week
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  • 8

    J-X-Way UNI-TE

    Java library for X-Way and/or UNI-TE communication.

    PROJECT HAS MOVED HERE: https://github.com/Elektordi/x-way-uni-te X-Way and UNI-TE (also used in Unitelway) are communication protocols for old Schneider Electrics PLCs (Programmable Logic Controllers), formerly "Modicon Télémécanique". The aim of this open-source project is to create a Java library to send and receive such data, because there is actually no open-source project at all in this field. Keep in mind that those protocols are old and not maintained anymore by any company, but still used in many old PLCs installations.
    Downloads: 0 This Week
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  • 9

    J7Win

    A Java Wrapper for Windows API functions.

    This project is a set of Java wrapper classes for Win32 API functions. There is a parallel project called J7Linux which is the equivalent for Linux/Unix systems.
    Downloads: 0 This Week
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  • 10
    JACo Gallery ( java gallery )
    JACo Gallery is a cross platform java image/photo gallery. Features: automatic thumbnails, resizing, automatic initialization from XML files and very easy to use in your java applications as a normal component or in web pages as java applet.
    Downloads: 0 This Week
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  • 11
    JACo Image ( java image )
    A collection of utilities to ease the work with images in java programming language.
    Downloads: 0 This Week
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  • 12
    Java Swing Loader component used to display the progress of some task.
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  • 13
    JACo Picasa is a handy, tiny component designed to help you working with Picasa Web Gallery.
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  • 14
    JACo Proxy is a handy, tiny component designed to help you work with the internet proxies in Java.
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  • 15
    JACo Swing is an open-source suite of advanced graphics components based on Swing toolkit.
    Downloads: 0 This Week
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  • 16
    JACo XML ( java xml )
    JACo XML is a handy, tiny component designed to help you with your work with XMLs in Java. The idea is to see every XML as an object instance and then work with it.
    Downloads: 0 This Week
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  • 17
    JADIF
    JAva DIstributed Framework provides a secure and flexible Framework for distributed grid and volunteer computing applications (separate client & server Framework). For more informations take a look at the project page http://jadif.sourceforge.net
    Downloads: 0 This Week
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  • 18
    Japrosim is a java library for both discrete event and continuous simulation. GUI for modeling and automatic code generation are offered. An explanation module is integrated. Models are described in XML and owl for interoperability.
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  • 19
    This is a series of *.java Classes for making programming tasks simpler, much like Apache Commons. Included in this src package is an Advanced Randomizer, TStringList Clone From Delphi, an Algorithem Class, and Method MultiTask Better than Runnables.
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  • 20

    JAXB Bridge

    JAXB Bridge is a bridge to JiBX

    JAXB Bridge is a bridge (JAXB 1.0 API implementation) to JiBX and other (in the future) XML-to-objects binding parsers, and its includes implementation with Apache commons-pool managed pool of parsers, to avoid costly instantiation of parsers in server environment.
    Downloads: 0 This Week
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  • 21
    JAgile (or "Java Agile") is a simple but practical framework in Java. It implements some JEE Patterns as Transfer Object, Session Facade, Business Object, DAO Factory and DAO. Its unique persistence implementation is the Hibernate Framework.
    Downloads: 0 This Week
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  • 22

    JAsyncSocket

    Java asynchronous socket library

    Basic Java infrastructure for asynchronous socket service clients and servers. Inspired by asyncore Python module. See doc/TestServer.java for a server implementation example. See doc/TestClient.java for client implementation examples.
    Downloads: 0 This Week
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  • 23

    JCFunc

    ANSI escape sequences parser written in Java

    This is implementation of standart ECMA-48 "Control Functions for Coded Character Sets".
    Downloads: 0 This Week
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  • 24

    JCLF

    Library of general utility classes for the Java programming language

    A library of general utility classes for the Java(tm) programming language, including: enhanced replacements for common utilities like StringTokenizer or Properties, a printf-style format system, etc.
    Downloads: 0 This Week
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  • 25

    JCLOP

    Java Cloud Persistence

    A library to manage data persistence on cloud services like Dropbox (for instance)
    Downloads: 0 This Week
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