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.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
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  • 1
    Allows editing of any size file in hexadecimal, decimal and ASCII. A great tool that allows you to edit and analyze the contents for either the data or resource fork of any type of file. 68K, PPC and Carbon run on MacOS 7-9 and X.
    Leader badge
    Downloads: 259 This Week
    Last Update:
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  • 2
    VIVO

    VIVO

    Semantic researcher networking

    VIVO is a semantic web project built on the Jena semantic web framework, and is an application to facilitate the discovery of researchers and collaborators across the country and internationally.
    Downloads: 15 This Week
    Last Update:
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  • 3
    The AJAX JSP Tag Library is a set of JSP tags that simplify the use of Asynchronous JavaScript and XML (AJAX) technology in JavaServer Pages. Development moved to Mercurial
    Downloads: 7 This Week
    Last Update:
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  • 4
    This project has moved! Go to https://github.com/yenrab/qchybrid
    Downloads: 3 This Week
    Last Update:
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  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
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  • 5
    BMF

    BMF

    Bio Medical Framework (BMF)

    The BMF is a Software Framework developed in Java language for the creation of web applications on the server platform also Open source, in clinical, administrative and management for a healthcare company.
    Downloads: 4 This Week
    Last Update:
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  • 6
    Tudu Lists is a J2EE application for managing todo lists. It's based on Spring 2.5, JPA/Hibernate and AJAX (using the DWR framework). It's a simple yet effective project management tool, and it is also often used as a sample Spring application.
    Downloads: 2 This Week
    Last Update:
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  • 7
    A complete survey administration and data collection system. A fully featured replacement for Quancept, supporting CAPI, Web, CATI, PDA and Paper survey modes. Sonar is the reference implementation of JCaiF for CAPI and Web survey interviewing. Try it!
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    Downloads: 3 This Week
    Last Update:
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  • 8
    jwaBlogger is social links/blogging software, that can easily be added to your website. jwaBlogger provides full HTML support, RSS and Atom feeds, a most popular blog entry history, and more. Example at: http://www.jwablogger.org.
    Downloads: 1 This Week
    Last Update:
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  • 9
    Entando

    Entando

    The lightest open source Digital Transformation Platform

    Entando is the lightest open source Digital Transformation Platform for Modern Applications. We help customers bring to production enterprise applications that are lightweight, cloud native, and highly customized, and do so significantly faster than their competitors. Our platform harmonizes user experience across enterprise omnichannel applications, accelerating time to market, and increasing development efficiency. Get the latest version of Entando's Community Edition and its Plugins on Github (http://github.com/entando).
    Downloads: 1 This Week
    Last Update:
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  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    Smith is an open source, cross-platform ColdFusion® engine, written entirely in Java. Running on top of Java Runtime Environment and Java Servlet Container, it can be deployed virtually on any operating system and work with any web server.
    Downloads: 2 This Week
    Last Update:
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  • 11
    JVending is a content provisioning system that implements most of the J2EE Client Provisioning Specification (JSR-124). JVending provides catalog management and device detection. Project also includes WAP push, MMS client and a registry for devices.
    Downloads: 1 This Week
    Last Update:
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  • 12
    A small, easy to learn framework. For rapid application development. No XML, no action, no EJB. Use the power of Java AND the power of your database. Extracted from (comercial) app working in prod for 7 years now (www.clinsis.com). Designed in Spanis
    Downloads: 2 This Week
    Last Update:
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  • 13
    A J2EE Web Dev Framework, Struts style MVC, Event Driven like JSF and Ajax-enabled Client Scripting like YUI, Fine grained event binding, access to server variables in JavaScript & Webpages, Easy integration with Struts, No custom tags & No complex API.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    jWebApp is a Model-View-Controller web application/development framework that can be used in a completely configuration free mode for all your web development needs.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    OpenCms Commons is a module suite for OpenCms 7 enhance the work and development with OpenCms. Main Features: XSD-Choice Elements; FileSelectorWidget with filter on ResourceTypes; Velocity render engine with plug-able Context-Obj.; Build with maven.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    Compiere MFG+SCM Manufacturing Extended System (MES). Include Shop Floor Control, Supply chain management, Quality management, modbus interface, iReport barcode extension etc. Support batch and on demand manufacturing. Works alone or connected to ERP.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Controls the lifecycle of portlet-like JSP components, does not require to install a portal engine. Components are either reloaded using traditional synchronous HTTP request/response cycle (Non-Ajax mode), or updated in-place (Ajax mode).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    JawOS
    Develop java web applications as if an underlying OS existed.
    Downloads: 1 This Week
    Last Update:
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  • 19
    Oberon PLM
    Oberon PLM is a Web based PLM/PDM, built on Oberon framework that facilitate its customization. Oberon PLM integrates people, data, processes, and business systems and provides a product information backbone for companies and their extended enterprise.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Salto framework is an AJAX based framework which makes possible to build a Web application very quickly. Thanks to AJAX mechanism, datas exchanges between client side an server side are reduced. You are able to refresh only a part of the screen.
    Downloads: 1 This Week
    Last Update:
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  • 21
    mda4eclipse is a domain-driven and model-driven development eclipse plugin. Its purpose is to present a way of using different project sites to work together and establish a shared development environment.
    Downloads: 1 This Week
    Last Update:
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  • 22
    SweetDEV RIA is a complete set of Java/J2EE world-class Ajax tags. It helps you to design Rich GUI in a thin client.
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    Downloads: 0 This Week
    Last Update:
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  • 23
    AJAX components for Java Server Faces. Designed with minimal incompabilites with standard JSF specifications, since can be used with any implementations and most of existing components.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Web, Wap & iMode Java J2SE/J2EE Lightweight Framework and Tools
    Downloads: 0 This Week
    Last Update:
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  • 25
    The Annotated Object Validator provides a mechanism for writing validators for any Object using Java Annotations. This allows for complex, reusable validation code to be constructed and applied to Fields and Classes with a minimum amount of effort.
    Downloads: 0 This Week
    Last Update:
    See Project
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