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

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  • 1
    Niagara AX Community Modules
    A library of modules for the Tridium Niagara AX platform. AX programmers are encouraged to use and expand the library.
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    Downloads: 79 This Week
    Last Update:
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  • 2
    Colorer Library
    Colorer provides source text syntax highlighting services. It colorizes source codes in editor systems (more than 200 syntaxes). Uses powerful HRC format(XML, RE, context free grammas), allowing to support any language. Available as Eclipse plugin.
    Downloads: 11 This Week
    Last Update:
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  • 3
    WebHarvest - web data extraction tool
    Web data extraction (web data mining, web scraping) tool. It leverages well proved XML and text processing techologies in order to easely extract useful data from arbitrary web pages.
    Downloads: 10 This Week
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  • 4
    objDump, a small Java framework that dumps any Java object to a string.
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    Downloads: 21 This Week
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  • 5
    This project has moved! Go to https://github.com/yenrab/qchybrid
    Downloads: 7 This Week
    Last Update:
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  • 6
    Koopa (COBOL) Parser Generator
    This project has moved to GitHub ! The version here at SourceForge will remain for historic purpose. Koopa is a parser generator, made for COBOL. It can handle source files in isolation (no preprocessing required) and doesn't mind the presence of CICS/SQL fragments. The grammar is easily extensible in a way which minimizes the impact on the overall code.
    Downloads: 4 This Week
    Last Update:
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  • 7
    The Related Values Processing Framework helps the integration of Process Control Data Historian Systems.
    Downloads: 6 This Week
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  • 8
    JAPI is a collection of Java libraries that help with various tasks like argument parsing, i18n/l10n, creating gui applications, as well as tools that demonstrate this.
    Downloads: 15 This Week
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  • 9
    The Lagniappe programming environment aims to give developers of high-performance packet processing applications a thourough and high-level toolset. This project provides a translator for the Lagniappe language and the Lagniappe Execution Environment.
    Downloads: 14 This Week
    Last Update:
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    AI-powered service management for IT and enterprise teams

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  • 10
    A robust, scalable and efficient asynchronous I/O framework, supports TCP, SSL over TCP, UDP and Pipe.
    Downloads: 5 This Week
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  • 11
    SHEF is a WYSIWYG HTML editor framework and embeddable component for Swing. It takes the pain out of using JEditorPane.
    Downloads: 2 This Week
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  • 12
    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: 7 This Week
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  • 13
    An open source workbench for chemo- and bioinformatics built on the Eclipse Rich Client Platform (RCP).
    Downloads: 2 This Week
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  • 14

    AgilPro

    AgilPro is an Eclipse based business process modeling suite

    AgilPro is an Eclipse based business process modeling suite providing a Business Process Modeler [LiMo - Light Modeler], a desktop application to preview and run processes [Simulator] and Application Adapters to plug in standard apps: Firefox, OpenOffice
    Downloads: 3 This Week
    Last Update:
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  • 15
    JEFF (Java Explanation Facility Framework) can be used with other Java-based (business) rule engines, expert systems and expert system shells in order to provide an explanation of the inference process.
    Downloads: 5 This Week
    Last Update:
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  • 16
    LogicAnalyzer is a framework as well as an application to operate a PC based logic analyzer. It's built using the Eclipse RCP and designed with extensibiliy in mind. Integrating new devices or creating completely new functionality is easy.
    Downloads: 5 This Week
    Last Update:
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  • 17
    A Java WEB application framework featuring: Flows (ie. components designed as finite state-machines usable as subflows, modal dialogs and components), a rendering engine able to refresh only changed parts of a web page via Ajax, and much much more ...
    Downloads: 5 This Week
    Last Update:
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  • 18
    Aperture is a Java framework for extracting and querying full-text content and metadata from various information systems (file systems, web sites, mail boxes, ...) and the file formats (documents, images, ...) occurring in these systems.
    Downloads: 1 This Week
    Last Update:
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  • 19

    Firmata

    generic protocol for communicating with microcontrollers

    Firmata is a generic protocol for communicating with microcontrollers from software on a host computer. It is intended to work with any host computer software package. There are implementations for multiple microcontrollers and host software packages.
    Downloads: 2 This Week
    Last Update:
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  • 20
    dicom related framework and applications in java. The project is divide in 3 parts, the framework, a dicom toolkit, and dicom apps.
    Downloads: 1 This Week
    Last Update:
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  • 21
    JCommons provides generally re-usable Java tools and components. Some things included are: code generation, data and object conversions such as EDI to XML, visualizing object instances as FreeMind mindmaps and a framework for generating factories.
    Downloads: 3 This Week
    Last Update:
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  • 22
    LunaRCP provides very useful plug-ins to ease the development of Eclipse Rich Client Platform (RCP) applications. It covers a broad range of RCP topics, e.g. application startup, file operations, jobs API, SWT/JFace, database integration using Hibern
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    The aim of this project is to develop a straight forward java package for creating, reading and writing INI files (aka configuration files). Furthermore, the package should retain all comments of the INI file when reading and writing the files.
    Downloads: 3 This Week
    Last Update:
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  • 24
    An open source framework for unit test and performance benchmark, initiated by Andrew Zhang. p-unit supports to run the same tests with single thread or multi-threads, tracks memory and time consumption, and generates the result as pdf/jpg/png/txt file.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    jpathwatch
    A file watching facility for Java. Uses native platform support to avoid polling on selected platforms (currently supports win32, Mac OS X, Linux and FreeBSD on x86 platforms). Implements JDK 7's WatchService, but also runs on Java 5 and 6
    Downloads: 1 This Week
    Last Update:
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