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.

  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 1
    Etch is a cross-platform, language- and transport-independent framework for building and consuming network services. With Etch, service development and consumption becomes no more difficult than library development and consumption.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    JACOB stands for [J]ava [A]gent [C]ontainer [OB]jects. Its purpose is to provide a framerwork for developing Agent Applications (by plugins). Applicability in the domain of distributed computing, decentralized job scheduling and simple P2P frameworks.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    LIEL (Language Independent Extension Library) is a language-agnostic library containing solutions to various programming problems and extending the capabilities of existing frameworks and code libraries.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Library for accessing, Linux dvb kernel functions from Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • AI-powered service management for IT and enterprise teams Icon
    AI-powered service management for IT and enterprise teams

    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
    Try it Free
  • 5
    NTW is a cross-platform client/server protocol and widget toolkit that allows efficient remote operation, even over slow networks. Its goal is to be able to serve hundreds of remote clients with a single inexpensive server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    An web system for small university courses, typically postgrad. Simple to install/maintain, easy for "teachers" with any scripting skills to extend. Alternative to big-iron VLEs/LMSs. Forums, quizzes, timetables, cms, year and user management, etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    The project works to illustrate implementations of the portable OpenFPGA GenAPI standard for multiple language environments.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    OpenGMP is an open service platform for implementing advanced decision support solutions for the mining enterprise.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Open Legacy Storage Document: Generic Document Archiving on Disk and Network(using MINA) Framework in Java for huge number of docs(up to 2^192 documents), efficient(Java NIO), crypto, net transfert, web retrieve, J2EE and eMail archiving compatible.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 10
    OpenUAT is a toolkit for authentication in ubiquitous computing systems.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    PHP Work is a rapid application-framework-level modules management framework.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Objetivo de disseminar conhecimentos das diversas áreas de saber que envolvem o desenvolvimento de jogos independente de plataforma. The objective to spread diverse knowledge of areas to know that to involve the independent development of platform games
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Photon provides very fast access to data containers (queues, maps, etc.) in shared memory - it can retrieve millions of data records per second. It also uses some RDB concepts like transactions and crash recovery. See web site for details.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Preesm
    PREESM provides a complete framework for fast prototyping. It generates a simulation and an optimized multiprocessor code from graph descriptions of algorithm and architecture. Please visit the project homepage at http://preesm.sourceforge.net.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    RUNES is a cross-platform, component-based middleware framework allowing for dynamic reconfiguration of functionality. Its lightweight implementation spans powerful nodes like PDAs and PCs, as well as tiny embedded devices.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    The Realeyes IDS captures and analyzes full sessions. The graphical user interface will display both halves of captured sessions to determine what occurred. The GUI also provides management of application users, sensors, and the database.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    A service-oriented, single-source, Java integration server with virtual Service Stores(TM) that expose services via web services, HTTP and more. Service Flows provide process automation. Mainframe, database, email, web, soap & ftp adapters are included.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    The Portable Highly Available Sensors (PHASE) project aims at creating an example application that demonstrates the usage of Application Interface Specification service interfaces of the Service Availability Forum.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    The SAVE-IDE is an integrated development environment for architectural and component-based design of embedded systems. Including a tool chain for analysis, verification and code generation, with focus on safety and real-time.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    SLIME (Scream LInux Middleware for Embedded systems) is a tiny and efficient cross-platform embedded middleware as a shared library with tools, which supports CBSD (component-based software development) to build application softwares quickly and easily.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21

    Software Automation Framework Support

    Multiplatform data-driven test automation execution services

    SAFS is a software test automation framework supporting data-driven (aka keyword-driven) functional test automation and associated services. The framework can run stand-alone on Windows, Linux, and Mac as well as integrate the use of IBM Rational Functional Tester, IBM Rational Robot, Smart Bear/AutomatedQA Test Complete, Apple XCode UIAutomation, Android SDK Automaton, Thoughtworks Selenium, and several other tools. Among other features, it provides advanced support of language localization testing (NLS) allowing the same tests to work for many different languages or test configurations. With various different tool configurations SAFS can be used to test Java, Web/Html, Flex, .Net, WPF, Win, iOS, and Android domains natively. And with advanced Image-Based Testing support built-in SAFS can be used to test virtually anything, anywhere.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Framework to simplify developing applications that use wireless body sensor networks (bodynets). Manages sensor sampling, data buffering, local processing and communication. Supports embedded devices running TinyOS and any Java-capable gateway.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    chm4j is a Java library for dealing with Microsoft ITSS/CHM format files. It uses CHMLIB C library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    An easy to use package that would allow to load a native dll, link its functions to a java interface and then invoke those functions by calling the java interface methods. The package would allow definitions structs, unions, arrays, pointers and callbac
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    If you reach this page most likely you are looking for Rodi P2P binary release - check web site rodi.sf.net If you are looking for CLI/FFS/AOS portable C/C++ libraries for RTOS "emLib" package is the way to go
    Downloads: 0 This Week
    Last Update:
    See Project